—Before he went abroad, he spent as much time as he ____ English. 
#50421
A
could learning
B
learned
C
to learn
D
could learn
推荐题目
All the students are busy _____ English in the morning.
#51133
A
practising to read
B
practising reading
C
to practice to read
D
to practice reading
–I feel tired and sleepy. –Why not stop __________?
#50602
A
to relax
B
breaking
C
resting
D
to work
There is a bird        in the sky.
#50711
A
fly
B
flying
C
flies
D
to fly