The first satellite ____telephone signals was called Early Bird.
#93370
A
was used to send
B
used to be sent
C
was used to sending
D
used to send
推荐题目
The old black woman used to tell stories under the tall tree, her grandchildren ______ around and ______attentively.
#96750
A
seating; listening
B
seated; listened
C
seating; listened
D
seated; listening
We hope your suggestion will contribute __________ the problem.
#88240
A
to solving
B
to solve
C
of solving
D
solved
Certainly I posted your letter — I remember ______ it.
#98425
A
posting
B
to post
C
to be posting
D
have posted
_______ an important decision more on emotion（情感）than on reason, you will regret it sooner or later.
#90407
A
Basing
B
Based
C
To base
D
Base
He is going to hospital _____________a medical examination next week．
#91161
A
togive
B
tobegiven
C
tohavegiven
D
tohavebeengiven