The lady was so absorbed in her job that she didn't hear a customer ________ at the door.
#88799
A
to knock
B
knocking
C
be knocked
D
knocked
推荐题目
The man we followed suddenly stopped and looked as if _____ whether he was going the the right direction.
#88582
A
seeing
B
having seen
C
to have seen
D
to see
Mr. Green stood up in defence of the 16-year-old boy, saying that he was not the one________ .
#90629
A
blamed
B
blaming
C
to blame
D
to be blamed
________in a traffic jam yesterday morning，Jack did not arrive at his office on time.
#94163
A
Catching
B
Caught
C
To catch
D
To be caught
---He admitted __________in the examination. ----That’s why he was not admitted _____ universities.
#94451
A
to cheat; by
B
cheating; to
C
to cheat; to
D
cheating; by
I prefer taking exercise in my spare time ＿＿ healthy.
#93544
A
to keep
B
to keeping
C
rather than keeping
D
rather than keep