问题

So fast ________ that I could not catch up with them.

A:did they run
B:they had run
C:they ran
D:had they run

正确答案是：

同类题型

stronauts return to the earth’satmosphere, helicopters fly to________they would land, ready to collect them.

What I’m telling you is strictly _____. Do not let anyone know of it.

When the accident happened, your brother escaped being hurt, _______?

“Where is David” “He is upstairs ______ ready to go out.”

Do you enjoy Ma Di’s songs—–Yes. I like his song Nan Shan Nan. I can’t think of anyone with ________ voice.