Not only _________ her how to do it，but offered to help her as well．

A．did he show            B．he shows                  C．did he showed           D．does he show

--Did you go to Jack's birthday party?       

--No，I _________．

A．am not invited         B．wasn' t invited              C．haven' t invited          D．didn't invite

He should stop _________ that silly earring．

A．to wear         B．wearing           C．to put on        D．putting in

Where do you think _________?

A．they live in          B．do they live in        C．they live        D．do they live

They asked how _________ to the railway station．

A．do they get           B．getting         C．they to get           D．to get

There are _________ visitors _________ to Beijing every day during holidays．

A．thousand of，to come                B．thousands，come

C．thousand，coming                   D．thousands of，coming

Taiwan _________ China．It's one of the provinces of China，

A．to be         B．belong to           C．being         D．belongs to

He described _________ that day．

A．what he had done                               B．what to do

C．what did happen                                 D．why did they go

The house _________ we live is very comfortable．

A．that          B．which          C．in that          D．in which

In most of the world，many students help their schools make less pollution．They join “__1__”．In a meaningful（有意义的）club，people work together __2__ our environment clean．

Here are some things students often do．

No-garbage lunches．How much do you throw away __3__ lunch? Environment clubs ask students to bring their lunches in bags that can __4__ again．Every week，they will choose the classes that make the least garbage and report them to the whole school．

No-car day．On a no-car day，__5__ comes to school in a car．Neither the students nor the teachers! Cars give pollution to the air．__6__ remember：Walk，jump，bike or run．Use your legs! It' s lots of fun．

__7__ the watery Did you know that some toilets could __8__ twenty to forty cubic（立方的）meters of water an hour? In a year，to your __9__，that would fill a small river! In environment clubs，students repair those broken toilets __10__．

We love our environment，Let's work together and make it clean．

1．A．no-car day                                        B．environment clubs

C．new music groups                                 D．no-garbage lunches

2．A．make                     B．making             C．to make                D．will make

3．A．since                     B．until             C．before                 D．after

4．A．use                       B．be used              C．throw                   D．be thrown

5．A．somebody           B．anybody            C．everybody         D．nobody

6．A．So                       B．And                  C．But                   D．Or

7．A．Turn on                  B．Turn up              C．Turn off            D．Turn down

8．A．waste               B．give                 C．keep                     D．throw

9．A．surprise                B．surprised           C．surprising             D．surprisingly

10．A．their                  B．they               C．them                  D．themselves