While ______ out of the window, I saw my father growing some vegetables in the garden.
#96698
A
look
B
looks
C
looking
D
looked
推荐题目
____all the required papers. he didn't answer the questions fluently in class.
#88905
A
Having not read
B
Not having read
C
Not read
D
Not to read
The school headmaster forbids ______ in the office.
#96588
A
smoking
B
to smoke
C
us smoke
D
from smoking
Not easy as the problem of pollution is____, no one should just stop trying.
#96406
A
to solve
B
to be solve
C
solving
D
being solved
The experts suggested the problem worth paying attention ____ at the meeting.
#95135
A
to be discussed
B
to been discussed
C
being discussed
D
should be discussed
With more people keeping pets, a growing number of conflicts_____ pets have been taken to court in Shanghai.
#88921
A
concerned
B
to concern
C
being concerned
D
concerning