—Did you visit the famous museum?
—No. We ________ it, but we spent too much time shopping.
| A．could have visited | B．must have visited |
| C．can’t have visited | D．shouldn’t have visited |
He once studied in Zhejiang University, ________he went abroad for further study.
| A．after which | B．where | C．in which | D．which |
More attention should be paid __________ English.
| A．to speak | B．for spoken | C．of speaking | D．to speaking |
More than 60 million people in southwestern China ________the drought nowadays as a result of less rainfall, environmental damage and so on
| A．are affecting | B．are being affected by | C．are being effected by | D．are effecting |
Please don’t do anything harmful ________ our nature, or we humans will have no ________ each other.
| A．to, fun about | B．for, fun with | C．for, fun about | D．to, fun with |
What you said just now ________me of that American professor.
| A．mentioned | B．informed | C．reminded | D．memorized |