He says all _______ tried their best and that all that can be done _______ been done.
#86073
A
has, has
B
have, have
C
have, has
D
has, have
推荐题目
Written in a hurry , _____________． Which one of the following is right ?
#85939
A
they found many mistakes in the report
B
Sam made lots of mistakes in the report
C
there are plenty of mistakes in the report
D
the report is full of mistakes
The number of foreign students attending Chinese universities ______ rising steadily since 1990.
#85844
A
have been
B
are
C
has been
D
is