It is necessary for us _______them every day.
| A．looking after | B．to look after | C．look after | D．to looking after |
--David has been away for more than 25 days．
--I miss him very much．You know，25 days short．
| A．is | B．isn’t | C．are | D．aren’t |
—Tony, what’s ________ matter with you? —I have________ toothache.
| A．a; the | B．the; a | C．/; the | D．the; / |
---What did Miss Liu want to know?
---She wanted to know___.
| A．where did the other students go? |
| B．that her students could come back. |
| C．what her students have done during the trip? |
| D．if her students were hurt in the accident. |
Friends are those ___make you smile, always open their hearts to you and encourage you to succeed.
| A．which | B．what | C．whom | D．who |
We often have to stay up for our study though we___ to have enough sleep.
| A．told | B．have told | C．are told | D．are telling |