As is known to all language learners, the newly learnt words will soon be forgotten unless______ used in everyday communication.
#24137
A
gradually
B
loosely
C
exactly
D
frequently
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Although Linda tried hard in the exam, she did ______ than her brother. 
#22962
A
more badly
B
much better
C
much badly
D
much worse
We must be off _____. It’s eight o’clock already.
#23556
A
a moment ago
B
all of a sudden
C
in no time
D
all right