I think it’s important ______ healthy.               
#50995
A
keep
B
keeping
C
keeps
D
to keep
推荐题目
___________ is better than to receive.
#50536
A
To give
B
Give
C
Have given
D
Giving
 I’ll invite you to my new flat as soon as I finish ________ it.  
#48590
A
decorating
B
decorate
C
to decorate
D
decorated
Lucy likes English very much . She does her best _____it well.
#49337
A
to learn
B
learn
C
learning
D
is learning
Teenagers shouldn’t be allowed          .
#48398
A
to drive
B
drive
C
to driving
D
Driving