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
He could speak English fluently because he __________ it for four years when he was a college student.
#101396
A
had studied
B
have been studying
C
studied
D
was studying
It is well known to us all that a lot of rivers _______by factories.
#102816
A
are polluting
B
have been polluting
C
are being polluting
D
are being polluted
Look! The pond ________, and no fish in it can survive.
#99833
A
dries up
B
has dried up
C
had dried up
D
dried up
I’d like to myself with a cup of tea before going to work
#100883
A
recover
B
rebuild
C
replace
D
refresh
—— Can’t you notice the person shaking hands with the leader? He is our classmate Tom! —— Oh, my God ! I ____________ him.
#101035
A
don’t recognize
B
didn’t know
C
don’t know
D
didn’t recognize