【题目】我们应该帮助处于困境的朋友。

【题目】刚才一些药瓶从架子上掉了下来。

【题目】托尼到处寻找他的眼镜。

【题目】警方仍在设法查明事故究竟是如何发生的。

【题目】我习惯了一回家就打开收音机。

【题目】She’s won many world competitions, ________ four gold medals in the Olympics.

【题目】He Zhong took this photo and he managed ________the good time which their fans were having.

【题目】The boy has not had a stomachache since he _____ eating fast food.

【题目】The lab can be dangerous, so we________ always wait for the teacher to arrive before we start work.

【题目】The World Health Organization________ and controls serious diseases.