The purpose of new inventions is to make life easier,      it more difficult.
#48658
A
not make
B
not making
C
not to make
D
do not make
推荐题目
Can I stop ______ a rest, Sir?– Keep _______! The terminal (终点) is around the corner.
#50437
A
to have, running
B
having, running 
C
to have, to run
D
having, to run
I decided ______  a house______ a beautiful garden . 
#49263
A
buy,for.
B
to buy, with .
C
buying , for.
D
bought , with.
They had fun ______ games in the park.
#50022
A
play
B
playing
C
plays
D
played