—Mr. Ding, I have some problems_______ the passage.—Remember_______ it three or four times at least.
#48495
A
to understand; reading
B
understanding; reading
C
to understand; to read
D
understanding; to read
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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
The advertisements________on the wall are designed by my sister.
#48792
A
are put up
B
are putting up
C
put up
D
be put up