Not knowing what version of iPad to choose, _____．
| A．some advice was given to Barbara | B．Barbara had to consult her IT teacher |
| C．so Barbara had to consult her IT teacher | D．Barbara's IT teacher gave her some advice |
Loving your children doesn’t mean ______ them whatever they want.
| A．give | B．giving | C．to give | D．to giving |
— Jenny, let’s go to the party tonight.
— ______ I have a lot of homework to do.
| A．Good idea. | B．Why not? | C．I think so. | D．I’m sorry. |
Dr. Smith, together with his wife and daughters, _____ visit Beijing this summer.
| A．is going to | B．are going to |
| C．was going to | D．were going to |
The number of foreign students attending Chinese universities _____ rising steadily since 1990.
| A．is | B．are | C．has been | D．have been |
— Why does the lake smell terrible?
— Because large quantities of water ____.
| A．have polluted | B．is being polluted |
| C．has been polluted | D．have been polluted |