－You've dropped ________“s”in the word“necessary”．

－Oh, ________ letter“s”is doubled．

a; a

a; the

an; the

the; the

－When will the 2010 World Expo(世博会)come to a close?

－It'll close at the end of ________．

September

October

November

December

－Why didn't Betty come to school yesterday?

－________ she was ill．

But

Though

If

Because

－Peter, what if your parents go out?

－They ask me to ________ myself．

look after

look up

look for

look through

－Where's her second son?I haven't seen him for a long time．

－He ________ Maine looking for a place to work．

will go to

has gone to

had gone to

goes to

－Are you going to Tibet for vacation?

－Yes．I want you to ________ me with some information about it．

offer

give

show

provide

－Which province is the ________ one in winter?

－It should be Hainan Province, I think．

coldest

hotter

warmest

cooler

－Do you think yesterday's math problem was difficult?

－Yes．I could ________ work it out．

hardly

easily

finally

nearly

－Is the woman a teacher?

－Yes．She teaches ________ English．

you

us

our

your

I ________ my clothes, and the phone rang．

wash

washed

am washing

was washing