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
This agreement will be signed by the managers_________.
#95282
A
concerns
B
concerning
C
concerned
D
to be concerned
My father insisted that every minute _____made full use of ________the work well.
#90562
A
be,to do
B
has been,doing
C
be,doing
D
has been,to do
While watching television, ________. 
#90577
A
the doorbell rang
B
the doorbell rings
C
we heard the doorbell ring
D
we heard the doorbell rings
When the police broke into the room, they found the man _______ in bed, _______. 
#91245
A
lying; dead
B
lying; died
C
laying; dying
D
laid; death