[ Modal Verbs ]
Soldiers ________ disobey a superior officers.
A. must
B. must not
C. can
D. don’t have to

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Wh- Questions Present Simple TenseGrammar: Reported QuestionsPronouns of QuantityAdverbial Clause of Cause and EffectAdjective + to + VerbConjunctions in Complex SentencesCommunicative GrammarAdjectives with PrepositionConditionals / Unreal PastComparisionsOther quiz:
Grammar › ViewSyahfaris loves to play badminton. It is _____ favourite sport.
A. my
B. his
C. her
D. our
Grammar › View
Moscow is the ___________ (expensive) city in the world.
A. cheapest
B. most expensive
C. affordable
D. costly
Tenses and Structures › View. Identify the correct relative pronoun: The teacher (whose, who) taught us is very nice.
A. who
B. whom
C. that
D. whose
Grammar › View
I asked my sister, “Where did you leave my keys?”
A. I asked my sister Where she left my keys
B. I asked my sister where she had left my keys
C. I asked my sister if she had left my keys
