[ Grammar ]
The post office is closed 【 】 Helen couldn’t post her letter .
A. or
B. and
C. so
D. because
Select your answer:

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Grammar › ViewThe boy ______ (not cycle) in the park because he hurt his knee,
A. will cycle
B. will not cycle
C. shall cycle
D. shall not cycle
Grammar › View
They’re bored ___ the same old routine and want to try something new this weekend.
A. in
B. with
C. from
D. at
