—How often do I need to feed the fish?-They      food every day, or they will be hungry.
#44530
A
must give
B
mustn’t give
C
mustn’t be give.
D
must be given
推荐题目
The prices of new houses in our city have been _____than before, but they ______ well at present.
#44834
A
lower, don’t sell
B
lower, are not still sold
C
higher, don’t sell
D
cheaper, are not still sold
As everyone knows, rubbish _______ everywhere.
#44969
A
need be thrown
B
mustn’t be thrown
C
can’t throw
D
may throw
. The Olympic Games _____ in Beijing in 2008. I hear it _____ in different countries every four years.
#44532
A
is given, is given
B
was held, is held
C
will be held, is held
D
will be given, is given