We have overlooked the fact __________ the children’s emotional development may be easily damaged.
A. which B. that C. what D. 不填
In Mark’s speech, he made the point __________ far more people died from smoking than from taking drugs.
A. where B. what C. which D. that
It is already well understood___________ causes the global warming.
A. what B. when C. how D. that
___________we’ll go camping tomorrow depends on the weather.
A. If B. Whether C. Where D. That
_________he said at the meeting astonished everybody.
A. It B. That C. What D. The fact
Obviously they didn’t see the significance of the plan. That’s __________the problem was.
A. why B. where C. that D. how
