John couldn’t take part in the activity held at the cultural center yesterday for _____ reasons.
#12280
A
series of
B
all kinds
C
the number of
D
a variety of
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The patient was in bad need of operation but there was no guarantee(保证) that she would survive the anaesthetic (麻醉剂), which made the doctors on the horn of a __________.
#12873
A
process
B
arrangement
C
ceremony
D
dilemma
She spent as much time as she could .
#13487
A
to learn English
B
playing with her kid
C
study a new language
D
played basketball
A new food market has been built for the _____of the residents.
#13293
A
happiness
B
convenience
C
quietness
D
economy
When you get involved in sports, a lot of racial____are broken down because players developed friendship quickly.
#10741
A
barriers
B
threats
C
approaches
D
hardships
Tim Berners Lee invented World Wide Web in 1991, which _____ everyone to use the Internet
#14112
A
allowed
B
afforded
C
managed
D
left