—Tom can't find his gloves. Are these blue gloves his?—No, they _ be his. His gloves are black.
#52997
A
must
B
may
C
can't
D
mustn't
推荐题目
–Would you like _________? –Thanks, I am full.
#54863
A
something to eat
B
somethings to eat
C
eating something
D
something to drink
— ____ do you clean the classroom?— Three times a day.
#59294
A
How long
B
How often
C
How soon
D
How many