There is an ongoing debate about the potentially harmful effects ________ text messaging can have on people's grammar.
| A．what | B．who |
| C．that | D．whose |
If we _________ now to protect the environment, we’ll live to regret it.
| A．hadn’t acted | B．haven’t acted | C．don’t act | D．won’t act |
When I first met Bryan I didn’t like him, but I ________ my mind.
| A．have changed | B．change | C．had changed | D．would change |
He was unhappy when he sold his guitar.After all, he ________ it for a very long time.
| A．has had | B．had had |
| C．has | D．had |
(2013·江苏，34)—What about your selfdrive trip yesterday?
—Tiring! The road is being widened, and we ________ a rough ride.
| A．had | B．have |
| C．would have | D．have had |
I'm calling about the apartment you ________ the other day. Could you tell me more about it?
| A．advertised | B．had advertised |
| C．are advertising | D．will advertise |