---Where is Tom? ---I’m not sure. He _________ football on the playground.
A. could playing B. must be playing
C. might be playing D. must playing
Seeing their teacher _______ into the classroom, they stopped _______ at once.
A. walk; telling B. entering; to speak
C. enter; to tell D. walking; talking
He can speak _______ English _______ Chinese, although he is a Japanese.
A. neither, or B. either, and
C. as well, as D. not only, but also
Our English teacher _____ in the office because she has gone to America.
A. must B. can’t be C. might be D. could
-Why not get your ears _______? They will be nice.
-As a student, I'm not _________.
A. pierce; allowed B. pierced; allowing
C. pierce; allowing D. Pierced; allowed
The man has ________ many things from the store.
A. stolen B. stole C. steal D．stealing
