[ Grammar ]
Most scientists assume that the area ___ by a huge meteorite.
A. must have been struck
B. must have been strike
C. must be struck
D. must have struck
Select your answer:
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a, an, the, Zero ArticleThere vs. It Countable NounPresent Simple and Continuous TenseFuture Perfect ContinuousCountable Vs Uncountable NounsPronouns of QuantitySimple Present Negative and QuestionFamily Members and Present Simple
Other quiz:
Prepositions › ViewMy family and I like to ski ___ winter.
A. at
B. in
C. on
Vocabulary › View
Quell (KWEL)
A. Suppress
B. Motivate
C. Unleash
D. Participate
How to use : Read the question carefully, then select one of the answers button.