The first textbooks ______ for teaching English as a foreign language came out in the 16th century.
#95342
A
to be written
B
written
C
being written
D
having written
推荐题目
He didn't want to see anybody, so he spent six hours ________ in the small room.
#88288
A
locked
B
to lock
C
locking
D
being locked
Mr. Smith is busy these days ________ a new book on how to develop a child’s reading skill.
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A
working out
B
working on
C
working for
D
working with
he problem will be fully discussed at the meeting ______the next day.
#98812
A
hold
B
homing
C
to be held
D
held
Unless ________ to answer questions, the pupils won't talk in Mrs Smith's class.
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A
asking
B
asked
C
being asked
D
having asked
Dr Yuan makes______ possible______ one-third more of the crop in the same fields.
#94462
A
it; produce
B
it; producing
C
it; to produce
D
it; produced