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 factory produced many famous cars, none of _____shipped to foreign countries.
#91288
A
which
B
it
C
them
D
that
With the guide _____ the way, we finally got to the village which we were looking for.
#91157
A
led
B
leading
C
to lead
D
had led
_________ 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
With all my attention _______ my homework, I didn’t even notice my father standing by me.
#90970
A
to fix on
B
fixed on
C
fixing on
D
to be fixed on
There are many kinds of metals, ______.
#91614
A
each having its special properties
B
having its special properties
C
one has its special properties
D
each has its special properties
