[ Verb and Sentence Structure ]
The teacher (explains, explain) the lesson clearly.
A. explains
B. explain

Random Topics:
Countable & Uncountable Nouns-ed and -ing AdjectivesPresent Simple: affirmative, negative, interrogativeModal Verbs & Reflexive PronounsIndefinite and Reflexive PronounsParallelism and Subject Verb AgreementComparative and Superlative AdjectiveTenses with Time ExpressionsPresent, Past, Present Perfect and ComparativePast Tense and NeutralOther quiz:
Tenses › ViewAt this time yesterday, the boys ____ in the park.
A. was playing
B. played
C. had played
D. were playing
Question Words › View
A: _____ is that girl?
B: She is my sister.
A. Where
B. When
C. Who
D. What
Grammar › ViewWhich word should be capitalized in the sentence: “we visited the statue of liberty last summer”?
A. statue
B. liberty
C. we
D. statue of liberty
Tenses › View
They were watching television when suddenly someone ______ at the door.
A. knocks
B. have knocked
C. was knocking
D. knocked
