For a moment nothing happened, and then ______ all shouting together.
| A．voices had come | B．came voices |
| C．voices would come | D．did voices come |
The "Chinese Dream" is ___________ dream to improve people's well-being and ___________ dream of harmony, peace and development.
| A．the; a | B．a; a | C．a; the | D．the; the |
Beijing took steps to limit the kinds of high-risk of borrowing money from the banks that can create the high price of housing, ______ happened in the United States．
| A．a．as | B．that | C．how | D．while |
the whole process for the studies of cancer took more than a year, the technology is moving so fast that it will soon take just weeks．
| A．How | B．Because | C．If | D．While |
In the past few months, the central bank governor and others ______ measures to prevent prices from rising too fast．
| A．called for | B．are calling for |
| C．have called for | D．will call for |
I don't expect children to be rude, nor ______ them to be disobeyed．
| A．did I expect | B．do I expect | C．I expect | D．I expected |