It shocked us all________that little boy hadn’t been separated from that patient, he would have been infected with H1N1.
| A．if that | B．that if | C．if | D．that |
—Haveyou got any job offers?
—No. I __________
| A．waited | B．had been waiting | C．have waited | D．am waiting |
Teenagers __________ their health because they play computer games too much.
| A．have damaged | B．are damaging | C．damaged | D．will damage |
I __________ my guest off at the station tomorrow.
| A．am seeing | B．see | C．saw | D．have seen |
They __________ to work until they get a rise.
| A．were not going back |
| B．are going back |
| C．are to go back |
| D．are not going back |
Ladies and gentlemen, please fasten your seat belts. The plane __________.
| A．takes off |
| B．is taking off |
| C．has taken off |
| D．took off |