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
After he finished ______ the exciting story, he talked about it on and on with his friends.
#49539
A
reads
B
read
C
reading
D
to read
----He always makes a lot of noise.-------You’d better _______a quiet place_______.
#51044
A
find, study
B
to find, to study
C
to find, study
D
find, to study
–– Do you like ______ basketball?–– No, but my father wants me _______ basketball every day.
#51297
A
to play; playing
B
play; to play
C
to play; to play
D
playing; play