Accustomed to ______ the steep mountain, he had no difficulty reaching the top. 
#92617
A
climbing
B
climb
C
having climbed
D
have climbed
推荐题目
It ______ three years since I left England.
#94693
A
has been
B
was
C
had been
D
will be
Tom is ___________ that he can’t go to school.
#93533
A
so a young boy
B
a so young boy
C
a such young boy
D
such a young boy
______ on time,  or you’ll be fired.
#92893
A
Arriving
B
If you arrive
C
Arrive
D
to arrive