The room _______ very useful when we had visitors.
#101127
A
was proved
B
has been proved
C
has proved
D
proved
推荐题目
He said that light ____ much faster than sound.
#100945
A
traveled
B
travels
C
is traveling
D
had traveled
Don’t telephone me at 8 a.m. tomorrow — I ________ a meeting.
#102183
A
am having
B
will be having
C
am about to have
D
have had