I sat next to a stranger on the bus. … asked for a phone call.
- a stranger
- the stranger
Do Vs. Does Principal vs. Principle Present Perfect TensePast Perfect vs Past SimpleKinds of SentencesFuture or PastAdverb of FrequencyPast Perfect Simple & Past Perfect ContinuousPresent Tenses
Other quiz: Grammar
You work（工作）day and night. I really your health（健康）.
A. go out with
B. am proud of
C. give up
D. worry about
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