Xiao Li had an accident yesterday _____ he is in No.1 People’s Hospital now.
| A．but | B．and | C．or | D．since |
Don’t worry. He is to look after little Betty.
| A．carefully enough | B．enough careful |
| C．careful enough | D．enough carefully |
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 |