[ 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:
Tenses › ViewChoose the correct form: She (study) for her exams since last month.
A. studies
B. was studying
C. has been studying
D. is studying
Subject Verb Agreement › View
Which verb agrees with the subject in the sentence: Some of the cake __ missing.
A. are
B. is
C. was
D. were
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
