.He went to American _____some English as well as ____.
#97573
A
learning ,to travel
B
learning, traveling
C
to learn, travel
D
to learn ,to travel
推荐题目
Once _____ , the machine will keep running.
#94334
A
start
B
started
C
to start
D
starting
— Do you drink alcohol?— No, but I used to be a man         alcohol.
#93552
A
addicted to
B
was addicted to
C
addicted myself to
D
had addicted to
This machine is very easy______. Anybody can learn to use it in a few minutes. 
#90027
A
operating
B
to be operating
C
operated
D
to operate