You can never imagine what great difficulty I have _________ your house.
| A．found | B．finding |
| C．to find | D．for finding |
this key is your mother’s.
| A．May | B．Maybe | C．May be | D．Can |
You don’t know ______ I want to see you again. It’s a year since I last saw you.
| A．how soon | B．how long | C．how much | D．how often |
---Where’s Li Hua?
---Look! He _______ tennis on the playground.
| A．plays | B．played | C．was playing | D．is playing |
With the help of the new technology, you __ e-mail your friends by mobile phone.
| A．can | B．must | C．need | D．should |
--Haven’t I told you that the computer needs______?
---Sorry,I forgot_______it fixed.I’ll send it for repairs right away.
| A．repairing;having | B．to repair;to have |
| C．repairing;to have | D．to be repaired;having |