If it ______tomorrow, we’d stay at home.
A. had rained B. is raining C. will rain D. should rain
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
Many lifestyle patterns do such great harm to health that they actually speed up
weakening of the human body.
A. a; / B. /; the C. a; the D. /;/
