[ 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:
Prepositions › ViewThe bird flew _______ the sky and disappeared into the horizon.
A. off
B. out of
C. into
D. through
Simple Present Tense › View
How many people …. in your family?
A. there is
B. are there
C. is there
D. there are
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
