[ Grammar ]
Students _____ in the hallway should return to class.
A. stand
B. stood
C. standing
D. to stand

Random Topics:
Coordinating ConjunctionsActive and PassiveDirect Object and Indirect ObjectPreposition FormAdjective and AdverbTenses UsageAsking & Giving AttentionPresent, Past and Future TenseIrregular AdjectivesConnectives (because, due to, owing to, because of)Other quiz:
Grammar and Vocabulary › ViewBut then again, none of us can imagine what it’s like to be … .
A. on the safe side
B. in search of
C. in his shoes
D. in trouble with
Vocabulary and Grammar › View
This moves across the surface of a planet or moon.
A. satellite
B. telescope
C. space shuttle
D. rover
Phrasal Verb › ViewI don’t know how you can put … such noisy neighbours.
A. on
B. off
C. up
D. up with
Possessive Nouns with Apostrophes and Pronouns › View
In the sentence ‘The scientist’s discovery changed the world,’ what is the possessive noun?
A. scientist’s
B. discovery
C. changed
D. world
