[ Past Continuous ]
Last night I ________ for a bus when it started to rain.
A. wait
B. was waiting
C. waited
D. to wait

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Adjective vs. Adverb › ViewPlease try to be more ___.
a. careful
b. carefully
Present Continuous Tense › View
We _________ for our English test at the moment.
A. Study
B. Are studying
C. Is studying
D. Studied