. Look! There is a whole crowd of people over there. Go and see what_____ and if it is a bargain, buy it.
A is selling B is being sold C has been selling D has been sold
We walked as fast as we could, _______ to catch the 9:30 train.
| A．hoping | B．to hope | C．we hoped | D．being hoped |
It is essential that every child _______ the same educational opportunities.
| A．have | B．would have | C．has | D．had |
The scientists are beating their brains trying to _______ a solution to the problem.
| A．come about | B．come across | C．come out | D．come up with |
It was _______ back home after the experiment.
| A．not until midnight did he go |
| B．until midnight that he didn’t go |
| C．not until midnight that he went |
| D．until midnight when he didn’t go |
With the price of pork and eggs _______ quickly, CPI has become a hot phrase among Chinese.
| A．raising | B．going up | C．to raise | D．to go up |