[ Tenses ]
The teacher ____________ many times but they still don’t understand.
A. has explained
B. will explain
C. is explaining
D. explain
Random Topics:
Linking Words and ConjunctionClausesPresent Simple or Present ContinuousGrammar - Present Perfect with already, just, yetApostrophe GrammarCOUNT - NONCOUNT NOUNSGrammar, Literature, and VocabularyPresent and Past TensePresent Perfect TenseTo Infinitive or Bare InfinitiveOther quiz:
Grammar › ViewTodd ＿＿＿ Mr. Chen write the dos and don’ts for the library when（當……時）everybody had lunch in the classroom.
A. helps
B. helped
C. help
D. helping
Grammar › View
Where are my ____________________?
A. pins
B. pen
C. pens
D. pin
It doesn’t pay to resort on / in / to / with tough measures.
A. in
B. on
C. to
Grammar › View
She has been working for this company ___ 20 years.
A. since
B. for
C. yet