[ Tenses ]
By the time the teacher entered, the students ___ down.
A. have sat
B. has sat
C. had sat
D. sitting

Random Topics:
Adjective & AdverbsIntermediate PrepositionsAuxiliary VerbsGrammar Comma UsagePersonal PronounModals Of SpeculationAdverbs of TimeConditionals and Modals of ProbabilityFigurative LanguageModal and Phrasal VerbsOther quiz:
Relative Clauses with who and which › ViewThis is the photo ……………….was taken in Paris.
A. which
B. who
C. when
D. where
Grammar › View
The school is divided into theupper and lower school, _______cater for two age groups.
A. who
B. when
C. Which
Subject – Predicate › ViewWhich sentence contains a compound subject?
A. Living inside the old barn were a large brown horse and a short white cow.
B. Only two dozen children rode the bus that day, but it was still very noisy.
C. The green cicada is an insenct found in yards and parks all over town.
D. A small lizard slithered his way under the rock and out of sight.
Gerund vs. Infinitive › View
Is crying a participle?
A. Yes
B. No
C. Depends on the context.
