—How often do I need to feed the fish?-They _______ food every day, or they will be hungry.
#52913
A
must give
B
mustn’t give
C
mustn’t be give.
D
must be given
推荐题目
Can I __________ the book on the shelf on your right?
#60174
A
look for
B
look up
C
look at
D
look down
What ___ you____ at ten yesterday evening? 
#55045
A
have, done
B
did ,do
C
were doing
D
will do
--- __________ it going?--- Great!
#60646
A
What’s
B
How’s
C
Why is
D
Where’s
My new pen pal, Jim, ______ me that he can _______ Chinese.
#62133
A
tell, say
B
tells, speak
C
say, talk
D
talks, speak