We find ------interesting to learn history.
#76975
A
it
B
us
C
that
D
our
推荐题目
—May I smoke here? —If you _____, choose a seat in the smoking section.
#62987
A
should
B
could
C
may
D
must
Some frightening pets _________ be kept home so that they won’t hurt others.
#75599
A
can
B
may
C
must
D
need
—Whose pencil sharpener is this? —It_________ mine .Mine is here.I think it belongs to .
#74969
A
must ;Linda
B
can;Linda’s
C
mustn’t be ;Linda’S
D
can’t be ;Linda
He ______ it on schedule, but somehow he fell behind.
#62908
A
must have done
B
might finish
C
could have finished
D
could finish