All his time _______research on Chinese history, he has no time for outdoor activities.
#91209
A
devoted to do
B
devoted to doing
C
devoting to doing
D
is devoted to doing
推荐题目
_________ the problem of land erosion getting more serious, the government is searching for a way to deal with it.
#91458
A
As
B
With
C
When
D
Because
______ left before the deadline, it doesn’t seem likely that John will finish the job.
#90958
A
Though such a short time
B
Because such a short time
C
With such a short time
D
As such a short time
Britain announced tighter security measures this week, with plans ______ full-body scanners at Heathrow airport within three weeks.
#91560
A
to use
B
to be using
C
being used
D
having used
Daisy ______ all the housework, she dropped herself into the sofa, sighing with relief.
#90936
A
finished
B
had finished
C
having finished
D
finishing