Topics: Tenses
I can’t solve that thorny problem until my brother … it to me.
A. explain
B. will explain
C. has explained
D. will be explaining
Select your answer:

Random Topics:
Comparative AdjectivesAdverbNouns and VocabularyMiscellaneous Grammar UsagesPerfect Tenses and Have GotTenses and Passive VoicePast Tense vs Present Perfect TenseTenses UsageSentence or Sentence FragmentConditionalOther quiz:
Grammar › ViewScientists think there ________ at least five mass extinctions in Earth’s history.
A. will be
B. are
C. have been
D. has been
Grammar › View
The teacher ………………..the instructions so that the students could understand them easily
A. simple
B. simplified
C. simplicity
D. simplify
