[ Grammar ]
The trainer asked us to be back here in ___ hour.
A. in
B. on
C. an
D. at

Random Topics:
Adjective Suffixesand, so, but, becauseNoun Phrases and AdverbialsPresent PerfectVocabularyGrammar-Verbs & Nouns Singular, Plural, GenderSubjunctiveSpeculation with Modal VerbsThe Simple Present TenseAcademic VocabularyOther quiz:
Grammar › ViewThis floor _______________.
A. dirty
B. are dirty
C. dirty is
D. a dirty
E. isn’t dirty
Grammar › View
Mom gave birthday gifts ___ my brothers, but she didn’t give me any.
A. in
B. at
C. for
D. to
Present Continuous Tense › ViewWhere …………your wife?
A. am
B. is
C. are
D. be
Regular and Irregular Verbs › View
Simple Past
We______(skip) in the park.
A. hopped
B. hopped
C. skiped
D. skipped
