We saw a snake and ___________ parents for help a moment ago.
| A．shout to | B．shout at |
| C．shouted to | D．shouted at |
What you at this time yesterday?
| A．do, do | B．have, done | C．were, doing | D．are, doing |
— There are many people over there. What to the old man?
— Sorry, I don’t know.
| A．was happened | B．will happen | C．were happened | D．happened |
— I called you yesterday but no one answered.
— Well, Maybe I in the garden at that time.
| A．worked | B．am working | C．was working | D．would work |
We won’t start the meeting our teacher arrives.
| A．while | B．until | C．when | D．or |
I find hard to get on with him.
| A．that | B．this | C．it | D．is |