In the past few months, the country _____ a further tightening of supply restrictions, making fuel and food supplies more difficult to obtain.
#100504
A
would witness
B
witnesses
C
has witnessed
D
had witnessed
推荐题目
This is the second time Nie Haisheng ________ to be the astronaut who took the glorious task.
#104309
A
has been chosen
B
had been chosen
C
was chosen
D
chose
I asked him to come at 8 o’clock, but he _________. It’s already 9 now.
#102520
A
didn’t show up
B
hasn’t shown
C
hadn’t shown
D
wasn’t showing up
I suppose that when I come back in two year’s time all these old houses will ____ down.
#103098
A
have pulled
B
be pulling
C
have been pulled
D
be pulled
The computer looks old, but it _________ just half a year ago. 
#103884
A
has been bought
B
was bought
C
is bought
D
will be bought