_____ China’s reform and opening up in late 1978, its quick development has aroused worldwide attention, which has made America anxious about it.
| A．When | B．As | C．While | D．Since |
The________of the accident is still being looked into.
| A．reason |
| B．cause |
| C．excuse |
| D．start |
“How about a picnic this weekend？”“________I'm free then.”
| A．Yes, thanks. |
| B．Why not? |
| C．No, I am busy. |
| D．It's a pity. |
The six-lane highway is worth________.
| A．to be use |
| B．used |
| C．use |
| D．using |
“Oh, my God! How did you ________so badly hurt？” he asked me in a very ________tone.
| A．get; shocked |
| B．get; shocking |
| C．become; shocked |
| D．become; shocking |
________snacks and drinks, but they also brought cards for entertainment when they had a picnic in the forest.
| A．Not only they brought |
| B．Not only did they bring |
| C．Not only brought they |
| D．Not only they did bring |