The first textbooks _______ for teaching English as a foreign language came out in the 16th century. 
#98628
A
having written
B
to be written
C
being written
D
written
推荐题目
Linda had her luggage________ an hour before her plane left.
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A
check
B
checking
C
to check
D
checked
We didn’t expect them ___ for us when we arrived there so late.
#97334
A
to be waiting
B
to have been waiting
C
to have waited
D
to wait
 ______ into many languages, the book is popular in many countries.  
#88663
A
Being translated
B
Having translated
C
To be translated
D
Having been translated