American English has changed ________ time．There are several reasons ________ this.
#26725
A
over; for
B
for; with
C
in; of
D
during; about
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Her gentle smile at the meeting put everyone ______.
#26606
A
at peace
B
at present
C
at best
D
at ease
_____ being fun and good exercise, swimming is a very useful skill.
#25820
A
As to
B
In spite of
C
regardless of
D
Apart from
—Your sister’s plan is not quite practical.Why not try to persuade her to give it up?—My sister is very stubborn，so it is________to try to change her mind.
#25251
A
by chance
B
in vain
C
on purpose
D
for sure