The first textbooks _____ for teaching English as a foreign language came out in the 16th century. 
#98254
A
being heard
B
to be written
C
being written
D
written
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         to work overtime that evening, I missed a wonderful film.
#94855
A
Having been asked
B
To ask
C
Having asked
D
To be asked
Professor White has received a letter ___ to give a lecture in Peking University.
#88894
A
to be invited
B
being invited
C
invited
D
inviting him
I got to the office earlier that day,   the 7:30 train from Paddington
#90663
A
caught
B
to have caught
C
to catch
D
having caught
The classroom wants __________.
#91728
A
clean
B
cleaned
C
to clean
D
cleaning