It has been announced that all the students ____ put on masks before going to school in case they are infected with SARS virus.
#62892
A
shall
B
will
C
need
D
may
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—Do you know whose dictionary it is?—It ________ be Ann’s. Look! Her name is on the first page.
#74986
A
must
B
could
C
might
D
can
Even students of average intelligence ________ become top students by improving their study habits.
#62294
A
must
B
can
C
have to
D
ought to
According to the new traffic laws, people ______ drive after drinking wine or beer.
#77396
A
wouldn’t
B
couldn’t
C
needn’t
D
mustn’t
---- It’s the office! So you _____ know eating is not allowed here.---- Oh, sorry.
#62757
A
must
B
will
C
may
D
need