Do you know a spaceship flies at about nineteen kilometers ________ second?
| A．the | B．a | C．/ | D．an |
All the teachers and students look friendly . Tom finds it easy to __________ with them in the new school.
A. get along B. go on C. get to
I often __________ my homework after supper. But yesterday evening, I _________ TV.
A. do; watch B. did; watched C. do; watched
She __________ know the answer, but I'm not sure.
A. can B. may C. must
My English is poor but Mary is going to help me __________it .
A. with B. to C. of
---- I hope you’ll have a good journey .
---- __________.
A. You’re right B. Don’t mention it C. Thank you very much