When the teacher asks him, he always ____.
| A．keep silent | B．keep silently | C．keeps silent | D．keeps silenty |
—How nice that Lucy has been invited to the party too!
—Well, Lucynot come. She is not certain whether her mother will allow her to.
| A．might | B．would | C．must | D．need |
—When will the railway that connects the two cities open?
—next year. Only two thirds been built.
| A．Until; has | B．Until; have |
| C．Not until; has | D．Not until; have |
—The apple pies here tastethan those from anywhere else.
—Yes. But it will be better if they are.
| A．more delicious; more expensive |
| B．less delicious; more expensive |
| C．more delicious; less expensive |
| D．less delicious; less expensive |
The Yellow Riverflood large areas, but now the waters of it are used toenergy.
| A．was used to; producing | B．used to; producing |
| C．was used to; produce | D．used to; produce |
—Where shall I go for the summer holiday?
—How about Xiamen? It is a city worth on a bike.
| A．looking for | B．looking at |
| C．looking forward to | D．looking around |