Dropping litter ______ never allowed in our city.
#43897
A
don’t
B
are
C
will
D
is
推荐题目
It is important ______ students ______ carefully in class .
#43797
A
for, listening.
B
of , listen
C
for, to listen
D
of , to listen.
An American scientist and writer _______ coming to give us a lecture on English learning methods when he visits our school.
#86074
A
was
B
were
C
is
D
are
He is the only one of the students who _______a winner of scholarship for three years.
#86306
A
is
B
are
C
have been
D
has been
____of the land in that district ____covered with trees and grass.
#86345
A
two fifth; is
B
two fifths; are
C
two fifths; is
D
two fifths; are