Don’t put off today’s work for tomorrow. I mean , today’s work _____today.
#44892
A
may do
B
must do
C
may be done
D
must be done
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The room _______ every day. You can live it now.
#44779
A
cleans
B
is cleaning
C
is cleaned
D
has cleaned
---How often do I need to feed the birds?---They______ food every day, or they will be hungry.
#44408
A
must give
B
mustn’t give
C
must be given
D
mustn’t be given
The windows must _________ before you leave the room.
#44851
A
be closed
B
are closed
C
close
D
be close