—What ________ you?
—I lost my keys.
| A．happened | B．happens | C．happened to | D．happens to |
— They speak perfect English. How long have they learnt it?
— ______ they were seven years old.
| A．When | B．Since | C．After | D．Until |
I’d like to do some work for the poor students in our town. I think it will be a meaningful .
| A．experience | B．lesson | C．situation | D．knowledge |
A lot of fish in the river _______ recently, because there is lots of pollution.
| A．has died | B．has been dead |
| C．have been dead | D．have died |
—Do you have anything else to say for yourself?
— except sorry.
| A．Something | B．Nothing |
| C．Anything | D．Everything |
— Excuse me, is it from our school to the subway station?
— Let me see. It’s about 5 minutes’ walk.
| A．how long | B．how far |
| C．how much | D．how often |