Flowers suddenly burst out everywhere on the same day every spring, as if they       in tune with one another.
#86920
A
are
B
were
C
have been
D
are to be
推荐题目
 The government requested that all the people ___________ in any indoor public area.
#87266
A
not to smoking
B
not smoke
C
not smoking
D
to not smoke
The plant is dead. I _____ it more water.
#89400
A
will give
B
would have given
C
must give
D
should have given
 --- It took me two hours or so to walk here. --- But you ______ here in Billy’s car.
#88139
A
could have come
B
must have come
C
must come
D
could come
It is important that we        wild animals.
#87824
A
ill protect
B
hould protect
C
hall protect
D
re protecting