[ Grammar ]
Don’t get on a bus while it (run) ____________________________.
A. running
B. is running
C. runs
D. ran

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Present Tense (Negatives and Questions)Grammar and ReadingMixed TensesCommas and Subordinating ConjunctionsGrammar - Punctuation of SentencesConditionals / Unreal PastVerbs with Prepositions and ConjunctionsSimple Present and Present ContinuousSentencesGerunds + To InfinitiveOther quiz:
Vocabulary › Viewa force caused by static electricity that can cause objects with certain properties to attract or repel each other
A. direction
B. balanced
C. electric force
D. contact
Grammar › View
Make a reservation __ we don’t find a table at the restaurant.
A. in case
B. so as
C. in order to
D. for
Grammar › ViewFido was a happy dog on Saturday!
The predicate adjective is ______________.
A. Fido
B. Happy
C. Dog
D. Saturday
E. None of the above
Grammar › View
The postman(deliver)…… …………………………………the letter half an hour ago.
A. delivered
B. deliver
C. to deliver