[ Tenses ]
One day, Mr. Clark … home with a smile on his face.
A. walked
B. was walking
C. had walked.

Random Topics:
Conditionals / Unreal PastPresent Forms and Narrative TensesPrepotitionsGrammar: is/are/was/wereThird ConditionalVerb Tenses (Progressive, Perfect)Passive SentenceDirect Object and Indirect ObjectPresent Perfect or Past Simple TenseModal RequestsOther quiz:
Present Simple vs Continuous › ViewThe president … very hard every day.
A. is working
B. works
C. work
D. are working
Grammar › View
—Hurry up.It’s almost time for school.—Don’t worry.We are sure to be at school ___ .
A. at times
B. all the time
C. on time
D. by the time