The number of foreign students attending Chinese universities __________ rising steadily since 1990.
| A．is | B．are | C．has been | D．have been |
—I took a picture of you just now.—Really? I______with attention.
| A．didn’t look | B．wasn’t looking |
| C．am not looking | D．haven’t looked |
—I remember I ______my bag somewhere around here.—Really? I never saw it.
| A．left | B．leave | C．was leaving | D．had left |
The man often feels lonely.He seems to have______ most of his friends.
| A．fallen | B．dropped |
| C．stopped | D．made |
It seems that oil______from this pipe for some time.We’ll have to take the machine apart to put it right.
| A．had leaked | B．is leaking |
| C．leaked | D．has been leaking |
—Would you like to go to Paris with us next year?
—I’d like to,but my mother______that I am too young.
| A．is against | B．opposes |
| C．objects | D．explains |