[ Conjunctions and Commas ]
Mr. Norton wondered if he should take a nap in the morning _____ in the afternoon.
A. or
B. unless

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Vocabulary › Viewto show good performance so you can take part in a competition
A. qualify
B. tender
C. hesitant
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Vocabulary and Grammar › View
The new metro system is very __________ for daily commuters.
A. inconvenient
B. difficult
C. convenient
D. unreliable