The first textbooks ______ for teaching English as a foreign language came out in the 16th century.
#90805
A
having written
B
to be written
C
being written
D
written
推荐题目
“Why was a special meeting called?” “______ a new chairman.”
#98017
A
Choose
B
Choosing
C
To choose
D
Chosen
AIDS is said ______ the biggest health challenge to both men and women in that area over the past few years.
#98941
A
that it is
B
to be
C
that it has been
D
to have been
________tomorrow’s lessons，I have no time to play with you.
#88717
A
Not preparing
B
Not prepared
C
Not having prepared
D
Having not prepared
The bridge was built in memory of the adventurer who was believed ______ the valley.
#91202
A
to have been discovered
B
to discover
C
to have discovered
D
having been discovered
—The hall for international conferences is of great importance.—I see, and we are sure to complete it on time.
#93190
A
built
B
to be built
C
having been built
D
building