The teacher wondered whether those ______at the back of the classroom could hear him.
#96502
A
seating
B
sit
C
seated
D
sat
推荐题目
 Faced with a bill for $10, 000, __________. 
#98237
A
John has taken an extra job
B
the boss has given john an extra job
C
an extra job has been taken
D
an extra job has been given to John
Which materials can be thrown into the sea _______on the nature of them?
#92428
A
depended
B
depending
C
to depend
D
depends
_______ round the city, we were impressed by the city’s new look.
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A
Taken
B
Taking
C
To be taken
D
Being taken
She can’t help___ the house because she’s busy making a cake.
#97797
A
to clean
B
cleaning
C
cleaned
D
being cleaned