The robot needs _______ once a month. And we will check it for you for free.
#48844
A
to check
B
checked
C
checking
D
to checking
推荐题目
I don’t know _________ the problem.
#49541
A
how deal with
B
how to deal with
C
what to deal with
D
what do with
Thank you for______ let me_______ on the trip today.
#49990
A
agree to；go
B
agreeing；going
C
agreeing to；go
D
agree；to go
______too much TV isn’t good _______our eyes.
#50165
A
Watch , to
B
Watching ,for
C
Watch ,for
D
Watching ,to
Our teacher often tells us _______ our own cloth bags when shopping.
#50503
A
take
B
taking
C
to take
D
taken