Mr. Johnson has given up ________.
#49096
A
smoke
B
smoked
C
to smoke
D
smoking
推荐题目
My sister spends as much time as she can_______.
#48623
A
practicing to dance
B
practice to dance
C
practice dancing
D
practicing dancing
I’m new at the party and I don’t have a friend ____.
#51048
A
to talk with
B
talking to
C
to talk
D
speaking to.
________ hard is the key to success. 
#51086
A
To work
B
Work
C
Worked
D
Works