19．Nick looked tired this morning because he ________ late last night，surfing the Interact．

A．stayed up           B．dressed up         C．looked up        D．put up

18．By the time we got home，my mother ________ supper ready．

A．get               B．got                     C．has got                D．had got

17．Excuse me．Could you please tell me ________ there?

A．how to get          B．how to get to       C．how can I get to     D．how can I get

16．--I wonder ________ Jack will come to my birthday party．

--I will call you if he ________．

A．if，comes                               B．that，will come

C．if，will come                           D．that，comes

15．--Do you mind if I sit here?

-- ________．It's for Mr. Brown．

A．Not at all           B．Never mind        C．Better not        D．Of course not

14．--Look! ________ children are dancing on the playground．

--Do you know ________ them?

A．A great number of，a great number of         B．The number of，a great number of

C．A great number of，the number of          D．The number of，the number of

13．Edison ________ the light bulb and Columbus ________ America．

A．discovered，discovered                   B．invented，discovered

C．invented，invented                       D．discovered，invented

12．The special bowl ________ wine warm in the old days．

A．is used to keeping                         B．is used for keeping

C．was used to keeping                       D．was used for keeping

11．Professor Yi Zhongtian ________ to the Talk Show on CCTV-1 last week．

A．invites            B．invited              C．was invited       D．is invited

10．I think it is a little bit hard ________ people from using plastic shopping bags．

A．to stop               B．stopped              C．stop                 D．stops