Many accidents ______ by careless drivers last year.
A. are caused B. were caused C. have caused D. will cause
I will send you an e-mail as soon as I ______ in Canada.
A. arrive B. arrived C. am arriving D. will arrive
--- What were you doing this time yesterday?
--- I ______ on the grass and drawing a picture.
A. sit B. sat C. am sitting D. was sitting
My aunt is a writer. She ______ more than ten books since 1980.
A. writes B. wrote C. has written D. will write
--- Excuse me, could you tell me how ______ to Beijing Zoo?
--- Well, you may take Bus No.27.
A. get B. gets C. getting D. to get
Where's Tom? His mother ______ him now.
A. is looking for B. will look for C. has looked for D. looks for
