[ Grammar ]
Every night the watchman turns on all the lights and …around the building every half an hour.
A. walks
B. is walking
C. walked
D. to be walking

Random Topics:
VOCAB & GRAMMARPast Perfect or Past Perfect ContinuousThe Past SimpleGrammar: is/are/was/wereConditional SentenceVerb PhraseGive, do and makeAuxiliary WordsPhrasal Verb & Prepositional PhraseCompliment, Congratulation, and HopeOther quiz:
Modal Verbs of Deduction and Speculation › ViewWhat’s the capital city of the United States?
A. I don’t know but it mustn’t be New York
B. I don’t know but it can’t be New York.
Idioms › View
When we are all “in the same boat” it means that….
A. when you are going fishing with a friend
B. singing “Row, Row, Row Your Boat”
C. being in a kayak together
D. share the same unfortunate situation as another person
Adverbs and Adverbial Phrases › ViewI love unusual foods, I’ve _____ tried fried insects!
A. even
B. ever
Tenses › View
. She _____with her parents in London.
A. lived
B. lives
C. living
