What the science teacher does and says ____ of great importance to college students.
#85989
A
was
B
are
C
is
D
were
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E-mail, as well as telephone, ______ an important part in daily communication.
#85906
A
is playing
B
have played
C
are playing
D
played
As a result of destroying the forests, large ____ of desert ____ covered the land.
#85988
A
number; has
B
quantities; has
C
number; have
D
quantities; have
She has set a new record, that is, the sales of her latest book ___50 million.
#86338
A
have reached
B
has reached
C
are reaching
D
had reached
While a huge amount of money ___been spent stopping pollution , large quantities of water_ _still heavily polluted．
#85937
A
have; is
B
has ;are
C
have; are
D
has ;has
Large quantities of time ______ for practising guided writings.
#85977
A
was needed
B
are needed
C
needs
D
is needed