You had better__________because you have to drive back home.
| A．not drinking | B．not drink | C．don’t drink | D．not to drink |
—Why don’t you go to visit the Great Wall with us?
—Because I _______ there many times.
| A．have been | B．have been to | C．have been in | D．have gone to |
— John, you ____ the computer game for two hours. It’s bad for your eyes. Stop, please!
—OK, Mum.
| A．played | B．have played | C．were playing | D．play |
It all depends on _____ you can support us.
| A．if | B．whether | C．that | D．what |
Which of the following sentences doesn’t contain(包含) an object clause?
| A．Many people believe robots will do most of our work. |
| B．Scientists should be able to develop plants that grow on Mars. |
| C．People think that humans on Mars have to wear special boots to make themselves heavier. |
| D．We all know the29th Olympic Games was held in Beijing. |
Most children got a lot of pocket money from their parents and relatives duing Spring Festival, but some didn't know ____ they should do with it.
| A．how | B．what | C．that | D．whether |