— Look at the boy playing basketball on the ground. Is it George?— It ________ be him. He told me he would play basketball after class, but he’s not sure.
#75386
A
mustn’t
B
must
C
can’t
D
may
推荐题目
If you don't know the word, you can _____ in the dictionary. 
#75135
A
look it after
B
look at it
C
look for it
D
look it up
—Happy birthday!— Thank you! It’s the best present I_________ for.
#63166
A
should have wished
B
could have wished
C
may have wished
D
must have wished
--How does Jack usually go to school?  --He_____________ride a bike, but now he_______________there to lose weight.
#78085
A
used to, is used to walk
B
was used to, is used to walking
C
was used to, is used to walk
D
used to, is used to walking