[ Adverb of Frequency ]
You………………. the front door when you leave.
A. must lock always
B. always must lock
C. must always lock

Random Topics:
Prepositions and TensesVerbs and TensesSimple and Past TensesClause Markers TOEFL GrammarHave vs. HasConditionalsModals and ConditionalsPrepositions and ArticlesPast Simple - Present PerfectClauses and ConjunctionOther quiz:
Grammar › ViewHe’s got only _____ things to do
A. few
B. a little
C. much
D. too much
Vocabulary & Grammar › View
Bobby fell and …….. his knee on the pavement; it left a nasty graze.
A. twisted
B. scraped
C. pulled
D. cut
Future Tenses › ViewShe ______ a cake for the party.
A. will bake
B. bakes
C. baked
D. baking
Future Forms › View
These boxes are so heavy. ________ you carry them for me, please?
A. Do
B. Did
C. Will
D. Are
