[ 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:
Adverb Clause › View__________ the pressure inside increases beyond a certain point, volcanoes can erupt violently
A. before
B. until
C. when
D. unless
Grammar › View
March is the ….. month of the year.
A. third
B. thirtieth
C. thirteenth
D. three
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
