The purpose of new inventions is _______ life more difficult, but to make it easier.
#48430
A
not make
B
not making
C
not to make
D
do not make
推荐题目
The boy _______ in the teachers’ office was found _______ at the school gate yesterday.
#49410
A
standing, smoking
B
standing, to smoke
C
stood, smoking
D
stood, to smoke
What’s the best way        a  foreign language ?
#49559
A
learn
B
learning
C
to learn
D
learns
Do you ever practice ___English with your friends?
#49808
A
to speak
B
speak
C
speaking
D
spoke
Thanks a lot for _______us at the party. 
#50704
A
join
B
joins
C
joining
D
to join