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【題目】—Is this computer?
—Yes, it's . My mother bought it for me.
A.you; me
B.your; my
C.yours; mine
D.your; mine

A. astronaut. B. computer programmer

C. engineer D. reporter

— Ok.

A. help, carry B. to help, carry C. helping, to carry D. to help, carrying

A. if B. since

C. unless D. when

A. come in B. come true. C. come into D. come out.

A. careful B. careless C. serious D. carefully

A. rains B. rain

C. raining D. to rain

A. didn't have B. have

C. had D. don't have

A. study B. studies C. will study D. studied

— Let’s ask our teacher for help.

A. what to do B. what should I do

C. how to do D. how I should do