I think _________ history about China is very important.
#49097
A
study
B
studying
C
studied
D
studies
推荐题目
We have worked for three hours. Now let's stop _________ a rest.
#50692
A
to have
B
had
C
have
D
having
Mr. Bean enjoys jokes and often makes us .
#49082
A
to tell, to laugh
B
tells, laugh
C
telling, laugh
D
telling, laughing