____ the days he had spent with his American friends, he couldn’t help_____.
#95455
A
Keeping up; smile
B
Staying up; smiling
C
Looking back on; smiling
D
Looking at; to smile
推荐题目
Everyone has his or her advantages, and only _______ you do best can help to reach the goal and truly make a difference.
#91859
A
discovering what
B
discovering whose
C
by discovering what
D
by discovering which
Although ________ to stop, he kept on working.
#96110
A
tell
B
telling
C
having told
D
told
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