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
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Sorry, Jim. I don’t have ______ time ______ with you. --- That’s all right.
#49470
A
enough, to play
B
much, playing
C
enough, playing
D
many, to play
We should wear special boots __________ us floating away into the space .
#48510
A
to prevent
B
preventing
C
prevent
D
prevented
一Could you please give us some advice on ________ English at home? —You need to do a lot of reading and listen to English radio programs．
#48652
A
why to read
B
how to learn
C
when to use
D
what to study
He used to in the morning, but now he is used to at night.
#50282
A
reading; read
B
read; read
C
reading; reading
D
read; reading
I’ve asked him __________ us for dinner, but he said he was quite busy.
#49861
A
joining
B
to join
C
joined
D
join