Topics: Past Tenses
While we _____ (wait) for the bus, it _____ (start) to rain.
A. were waiting; started
B. waited; started
C. were waiting; was starting
Select your answer:
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Grammar › ViewWe should protect the environment _____ it is being seriously damaged.
A. because
B. although
C. so
D. but
Third Conditionals › View
When do we use first conditional?
A. Imaginary situations
B. Probable future situations
C. Situations in the past connected to the present
D. When something happens first