Mr. Smiths was busy writing a story, only ______ once in a while to smoke a cigarette.
#88541
A
to stop
B
to have stopped
C
being stopped
D
stopping
推荐题目
Mary hasn't decided whether to take up tennis, basketball, or ___.
#97774
A
beginning to play football
B
begin to play football
C
beginning playing football
D
to beginning playing football
Some children were seen _______in the garden all the morning. It must have been _______who picked the flowers.
#95731
A
playing; they
B
to play; they
C
playing; them
D
play; them
The children went home from the grammar school, their lessons __________ for the day.
#98529
A
finishing
B
finished
C
had finished
D
were finished
Do let your mother know all the truth; she appears _________ everything.
#94481
A
to tell
B
to be told
C
to be telling
D
to have been told
Have you ever stopped _____ how our lie _____ if the world ran out of ol?
#97342
A
to think, would change
B
thinking, would change
C
to think, will change
D
thinking, should change