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
Having you ever ______ in front of thousands of people at a concert, with everyone _____ while you were singing?
#102239
A
dreamed of to be; clapped
B
dreamt to be; to clap
C
dreamed of being; clapping
D
dream of being; to be clapping
The new dictionaries are very useful. They ________ well and ________ already .
#104513
A
sell; have been sold out
B
sold; had sold out
C
sell; sell out
D
are sold; have been sold out