[ Subject and Verb Agreement ]
In each cylinder the camshaft _____ the valves to open and close at the correct time.
A. coordinate
B. coordinates

Random Topics:
Adverbs of DegreeConditionals and Modal VerbsModal Verbs of PermissionPresent Progressive TenseNoun / PronounIndirect SpeechSpeculation with Modal VerbsPresent Perfect and Present Perfect Progressive TensesArticles - rulesRelative Clauses with who and whichOther quiz:
Grammar › ViewWe _____ for about 20 minutes when the plane was hit by turbulence.
A. flew
B. were flying
C. had flown
D. had been flying
Grammar › View
____________ playing the guitar?
A. Who’s
B. Whose
C. Who
Modal Verbs › ViewWhich modal verb indicates a future intention?
A. Can
B. Must
C. Should
D. Will
E. Might
Preposition › View
There is somebody ______ the door. Shall I go and see who it is?
A. in
B. on
C. at
