[ 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:
Adjective › ViewHe was wearing a ________ shirt.
a.dirty old flannel
b.flannel old dirty
c.old dirty flannel
Tenses › View
I ____ to convince my dad that I ____ problems with my computer nowadays and that it needs maintenance but he doesn’t mind.
A. will be trying / will be having
B. have tried / had had
C. have been trying / am having
D. had been trying / would have
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
