问题

____ from space, our earth, with water covering 70% of its surface, appears as a “blue planet”[ ]

A: Seen
B: Seeing
C: Having seen
D: To see

正确答案是：

同类题型

The cruelty of the terrorists towards the two Chinese engineers inPakistan and____of the terrorists towards America in September 11 filledeveryone with horror

He has no money nor friends here. That’s why he ______ sleep in the street.

It’s bad to be late.—Yes. be late for school,we have to get up early.

’m sorry to say that I can’t go to watch tonight’s match with you, for I have to prepare for the coming exam.—– _______ . Have some fun!

Before starting the race, he gave me a ________ look.