It’s hard to keep the house _____ with three kids.
| A．cleaning | B．to clean | C．cleaned | D．clean |
Could you please tell me _______?
| A．where do you live | B．what time you usually get home |
| C．why are you late for school | D．what did you do last weekend |
I found ________ difficult to work out the problem without a computer.
| A．that | B．it | C．this | D．myself |
---I don’t know what _____ if I do that.
---I think you ______ tell him the whole thing first.
| A．happens; should | B．happens; shouldn’t |
| C．will happen; should | D．will happen; shouldn’t |
---Why are you driving so fast?
---Because my flight is _______.
| A．getting off | B．taking off |
| C．turning off | D．putting off |
---Can you go shopping with me tomorrow?
---Sorry. I have to _____ my sick mother at home..
| A．pay for | B．look for | C．go for | D．care for |