Please don’t stand up in class _____ you ______.
#44549
A
until ; are told to
B
when ; are told
C
after ; were told
D
before ; were told to
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Mum, the phone is ringing, I guess either you or Dad ___________ on the phone.
#45019
A
are wanted
B
is wanted
C
wants
D
want
More and more people have realized that we won’t have cleaner water to drink unless something _______soon.
#44577
A
is done
B
was done
C
will be done
D
to be done
—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
—What a nice classroom! —It _____ every day.
#44598
A
is cleaning
B
has cleaned
C
must clean
D
is cleaned