[ Modals ]
You __________ go through customs when you enter a new country.
A. must not
B. should not
C. must
D. don´t have to

Random Topics:
Gerunds as objects of prepositionVerb + InfinitiveTenses UsageFuture Continuous TenseSentence Structure and Pronoun AntecedentCompound and Complex Sentencesused to vs be used to vs get used toduring, for, whileWill and Will notPast Tense vs Present TenseOther quiz:
Have to/Has to › View_____________ you __________________________ (walk) the dog?
A. Does, have to walk
B. Have to, walk
C. Do, have to walk
D. Do, has to walk
Passive Voice › View
I’d like ___________ by noon today.
A. to have my shoes repaired
B. to have my shoes repair
C. to having my shoes repaired
D. to had my shoes repaired
Grammar › ViewA: How ____ have you had a mountain bike?
B: I’ve had one ____ last Christmas.
A. ever, never
B. long, for
C. ever, since
D. long, since
Grammar › View
The thieves stole the necklace ______ it was very valuable.
A. so
B. if
C. because
