So mysteriously ______ missing that many puzzles wait to be solved.
#79590
A
did Flight MH370 go
B
Flight MH370 went
C
does Flight MH370 go
D
had Flight MH370 gone
推荐题目
He is rather difficult to make friends with, but the friendship of his, _____, is truer than that of anybody else’s.
#80128
A
while gained
B
when to gain
C
after gaining
D
once gained
____ by taking part in practice can the young people be toughened and hardened into steel
#81706
A
Still
B
Just
C
Only
D
Yet
Not for a moment ______ that this disease was caused by certain virus.
#81548
A
he have doubted
B
he doubts
C
did he doubt
D
he did doubt
---How was the weather then? ---Hardly _____ off the plane when it started to rain.
#81637
A
I had stepped
B
had I stepped
C
I stepped
D
did I step
For a moment nothing happened, then all shouting together.
#82743
A
voices had come
B
did voices come
C
voices would come
D
came voices