Question

【题目】It's exciting to see the huge glass ball _________ through the darkness.
A.falls
B.to fall
C.falling
D.Fell

Answer 1

【答案】C
【解析】句意：看着那个大玻璃球穿过黑暗掉下来非常的激动。根据句意及题干分析此题考查see sb. do/doing sth.，根据题意是看到大玻璃球正落下来，所以用doing，故选C。