[ 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:
Will and Will notSimiles and Body IdiomsGrammar and PrepositionPossessive NounsModal Verbs of Deduction and SpeculationPerfect TenseDefinite and Indefinite ArticlesSimple Present Negative and QuestionPresent Simple and Present Continuous TensesAdverb PhrasesOther quiz:
Simple Past Tense › ViewWe … the class before we went home last Friday
A. clean
B. cleans
C. cleaning
D. cleaned
Grammar › View
Grammar section
Read the sentence and check what is its right use of the present progressive. (1pt)
We’re having a cookout on sunday. Do you want to come?
a. Future
b. Now
Simple Past Tense & Future Tense › ViewThe police ….. him on his way home last night
A. stopped
B. stop
C. stops
D. stopping
Past Tenses › View
The past perfect continuous emphasizes the duration of an action.
A. TRUE
B. FALSE
