Scientists doubt wheth er it ’s ________ to regulate one ’s biological clock by drinking.
A
A可行的、可能且合理的B不可相信的、难以置信的C时髦的、时尚的D贵重的、宝贵的
The first task of a brochure is to _______.
It _______ for two hours now
As for family education, parents are encouraged to rely on ________ rather than punishment.
The missing boys were last seen ________ near the river.
It_______fortwohoursnow
