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 students were all tired, but ________of them stopped ____________ a rest.
#50654
A
no one; to have
B
none; having
C
none; to have
D
no one; having
— It is so hot in the classroom. Would you mind ____ the windows?—OK. I’ll do it right now.
#49682
A
not closing
B
not opening
C
opening
D
closing