---I saw Betty to Grandpa Li's home just now.
---Yes. She’s often seen _________ the old man with the housework.
| A．go, help | B．going, to help | C．go, to help | D．going, helps |
—When will she go home?
—She ______ home ___ she finishes her homework.
| A．won’t go ; before, | B．goes,;before |
| C．won’t go; until | D．go,;after |
What ____ you ______ at this time yesterday?
| A．did；do | B．is；doing | C．were；doing | D．are；doing |
—I can’t find him. What should I do?
—Maybe you should ____.
| A．call him up | B．keep him out |
| C．hear of him | D．run away |
My watch is broken. I ask my father to ____________.
| A．fix it up | B．fix up it |
| C．put it up | D．put up it |
.useful invention the computer is!
| A．What a | B．What an | C．How a | D．How an |