---How did you work out the difficult chemistry problem?--- I worked it out by ________.
#49667
A
working with a group
B
think very hard
C
ask the teacher for help
D
doing oneself
推荐题目
Your son has kept _________ for two hours. You’d better ask him to have a rest.
#51156
A
study
B
studied
C
to study
D
studying
---What are you going to do when you grow up? ---A singer, but my parents wish me _________ a teacher.
#49274
A
am
B
to be
C
will be
D
be
Maria is from France. She studies English by English movies.
#50963
A
watch
B
watched
C
to watch
D
watching
There is a paper factory _____ waste water into the river nearby.
#48738
A
poured
B
pour
C
pours
D
pouring
