If you ______ the chat room ten minutes ago, you _______ what we were talking about.
| A．have joined ; will know | B．had joined ; would have known |
| C．should join ; would know | D．would join ; have known |
—Would she mind playing against her former teammates?
—She is willing to play against any tough players.
A．I think so. |
B．I’m  not surprised. |
C．Of course. | D．Not likely! |
It is uncertain side effect the medicine will bring about, although about two thousand patients have taken it.
| A．that | B．what | C．how | D．whether |
The experiment shows that proper amounts of exercise, if regularly, can improve our health.
| A．being carried out | B．carrying out | C．carried out | D．to carry out |
I guess we’ve already talked about this before but I’ll ask you again just .
| A．by nature | B．in return | C．in case | D．by chance |
The settlement is home to nearly 1,000 people, many of left their village homes for a better life in the city.
| A．whom | B．which | C．them | D．those |