[ Tenses ]
They were watching TV when I came in.
A. Past Simple
B. Past Continuous
C. Present Perfect
D. Future Continuous

Random Topics:
Infinitive Forms-ed or -ingMixed GrammarTypes of SentencesSubject, Object, Possessive Pronoun and Possessive AdjectivesTime ClauseTypes of Sentence StructureRelative & Interrogative PronounsProgressive Perfect and Simple Verb TensesModal and Compound NounsOther quiz:
Grammar › View_______ I didn’t know the girl’s name, I could still remember what she looked like.
(A)After
(B)Before
(C)Although
(D)Because
Modals, Infinitives and Gerunds › View
Tom is so pleasant _______ me with the project
A. helping
B. to help
Passive Modals, Impersonal Passive › ViewDecide whether the sentence should be in active or passive voice.
Meat ___ in a refrigerator or it will spoil.
A. must be kept
B. must keep
Grammar › View
We are _________ approaching the deadline so everyone needs to work hand in hand to finish the task.
A. quickly
B. quick
C. quicker
D. faster
