[ Grammar ]
What ________ at 7 a.m. yesterday?
A. are you doing
B. did you do
C. were you doing
D. have you done

Random Topics:
Infinitives for reasonsReported Speech and Reported QuestionsComparative AdjectiveModal VerbsHave as verb and auxiliaryVerb Patterns / IngGender and GrammarPast Simple VS Used toUnreal Uses of Past TensesPresent simple or Past simpleOther quiz:
Grammar › ViewMr. Chen was reading the newspaper when his shoes were ______.
(A)fixing
(B)fix
(C)being fixed
(D)having fixed
Preposition › View
We’ve got English ………. Thursday.
A. in
B. on
C. at
Grammar › ViewWhich word completes the sentence:
I _________dinner with my family.
A. eight
B. ate
Grammar › View
The sun was thought _____ a ball of fire in the past, but now it is known _____ a glowing sphere of gases.
A. to have been, to have been
B. to be, to have been
C. to have been, to be
D. to be, to be
