[ Modal Verbs & Perfect Infinitive ]
. They _______ (go) to bed early because they look very tired today.
A. can’t have gone
B. must have gone
C. should have gone
D. might have gone
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Present Tense vs Past TenseTense,noun,preposition,quantityGrammar & VocabSubjunctivesIndefinite ArticleQuantifiers MixPassive Voice, Modals of Deduction and First ConditionalCountable QuantifiersPrepositions and ConjunctionsComperative and SuperlativeOther quiz:
Conjunctions › ViewHe doesn’t like coffee, ______ he drinks tea instead.
A. or
B. so
C. and
D. but
Grammar › View
I _ healthy food.
A. eat
B. eats
C. eating
Tenses › ViewMy sister ____ her clothes five times before she finally chose her first outfit.
A. changes
B. changed
C. had changed
D. have changed
E. change
Tenses › View
Chinese merchants ____ trade in Tibet since 1950, when China ____ the country.
A. dominate / was invading
B. dominated / invaded
C. were dominating / has invaded
D. have dominated / invaded