[ 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
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Article the or zero article (-)Verb TensesAdjectives or AdverbsNouns FormationAuxiliary Verbs (be, do, have)To infinitive - GerundGrammar Present Perfect (ever never)Modals of ProbabilityGrammar - Present Perfect with for and sinceCoordinate ConjunctionOther quiz:
Grammar › ViewEntrance is free. You … pay anything.
A. don’t have to
B. mustn’t
C. should
Present Perfect › View
It ____ _____ all night.
A. have rained
B. have rain
C. has rained
D. has rain
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A. on
B. in
C. at
D. every
Grammar & Vocabulary › View
. In the UK, many small companies have the letters ‘___________’ after their names. This means that the owners have limited liability.
A. Ltd
B. plc
C. business