—I want to know if Maria ______ us in the fashion show tonight.
—I believe if she ______ her homework, she will join us.
| A．joins; finishes | B．will join; finishes |
| C．joins; will finish | D．will join; will join |
-How much difficulty did you have_______ this problem?
-_______. It's quite easy.
| A．to solve, Nothing | B．solving; None |
| C．to solve, None | D．solving; Nothing |
Yesterday morning I was just leaving_______ the telephone rang.
| A．when | B．while | C．because | D．since |
-When did your computer go wrong?
-Last night, while I_______ some music from a website.
| A．downloaded | B．am downloading |
| C．was downloading | D．have downloaded |
The girl devoted all her time she had_______ others.
| A．to help | B．helping | C．to helping | D．helped |
_______ he brought us!
| A．What a good news | B．What good news |
| C．How good news | D．How good a news |