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
Three-fourths of the buildings ______.
#85968
A
was destroyed
B
is destroyed
C
were destroyed
D
has been destroyed
The secretary and principal ________ at the meeting now.
#86331
A
are speaking
B
is speaking
C
were making a speech
D
have a speech
______ is to attend our evening.
#85974
A
both the singer and the dancer
B
Either the singer or dancers
C
The singer or dancers
D
The singer and dancer
A survey of the opinions of experts___that three hours of outdoor exercise a week___good for one’s health.
#86099
A
show;are
B
shows;is
C
show;is
D
shows;are