[ Grammar ]
They ______ enthusiastically when their teacher ______ in.
A. discuss / comes
B. will have discussed / comes
C. will discuss / will come
D. were discussing/ came

Random Topics:
Future Simple TenseTenses and ComparisonsPast Continuous Tense & Past ModalsSimple Present and Past TensesModals for Advice, Obligation/Prohibition, Necessity and Lack of NecessityConditional SentencePassive Voice with ModalsPhrases & ClausesPronouns and AntecedentsHow many / How much - Is there / Are thereOther quiz:
Prepositions and Preposition Phrases › ViewWhat is the preposition in the following sentence: She walked through the door.
A. under
B. beside
C. through
D. over
Idioms › View
Nobody wants to come ___ as a witness of the crime.
a. over
b. forward
c. at
What is the opposite of quickly?
A. quick
B. Very slow
C. slowly
Grammar › View
Be quiet and listen _____ those birds.
A. At
B. For
C. To
D. On
