Topics: Time Clauses of Future
We’ll call a taxi _______ the conference ends.
A. when
B. unless
C. as long as
D. if
Select your answer:

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Prepositions › ViewShe doesn’t work ___ night.
a. in
b. on
c. at
Vocabulary and Grammar › View
_________over long distances is a fact.
A. That electricity transmitting
B. That electricity can be transmitted
C. That electricity
D. That can be transmitted
