[ Grammar ]
I _____ see those birds.
A. can
B. am able to
C. know how to

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Adjectives and DegreesFrequencySimple Past Tense and Present Continuous TenseCoherent Sentence with Correct Grammar StructureLexico and Grammar-ing &-ed AdjectivesVerbs and PrepositionsPrefixes SuffixesIndependent ClausesVerbs and AdverbsOther quiz:
Possessive Pronouns and Adjective Pronouns › ViewWhich one is not a possessive adjective?
A. mine
B. your
C. my
D. their
Grammar for TOEFL › View
A computerized map of the freeways using information gathered by sensors embedded in the pavement _____ on a local cable channel during rush hours.
A. airs
B. airing
C. air
D. to air
WH- Question Words › ViewChoose the correct word to fill in the blank:
__________ is this strange fruit? It’s called a lychee.
A. when
B. what
C. where
D. who
E. whose
Grammar › View
the desk of the teacher
A. the teachers’ desks
B. the teacher’s desks
C. the teacher’s desk