—I wonder if he ______ in the discussion tonight?
---I believe if he _____ his homework, he will join us.
| A．will join, finishes | B．will join, will finish |
| C．joins, will finish | D．joins, finishes |
I have been ______ English _______ ten years.
A. study; for B. studying; since C. studying ; for
He _____ when the UFO arrived.
A. was sleeping B. were sleeping C. has slept
Why not _____ boating with us in the park?
A. to goB. goingC. go
I hope we will have _______ people and _______ pollution.
A. fewer, less B. fewer, fewer C. less, less
I don’t know if he________ to the park tomorrow. If he ________, I won’t go, either.
A. goes, goes B. will go, doesn’t go C. will go, won’t go