[ Present Tenses ]
Jane isn’t here yet. I (wait) _________________ since noon but there is no sign of her.
A. have waited
B. have been waiting
C. will have been waiting
D. had been waiting

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Modals Deduction: cant /mustIrregular verbsIndefinite PronounsComparison & Modal Verbs in Passive VoiceIndependent ClausesVerb Tense, Pronouns and AntecedentsToeic VerbSimple Present and Present ContinuousPronounVerb to haveOther quiz:
Hope, Thank, Modal Verbs › ViewChoose the correct modal verb: “I ___ help you with your homework.”
A. could
B. should
C. would
D. must
Mixed General Quiz › View
Instead of fighting, let’s just ___.
a. rap
b. wrap
I ___ go to the dentist; I have a terrible toothache.
A. Can
B. May
C. Must
D. Should
Grammar › View
We … breakfast when someone … on the door.
A. was having, knocked
B. were having, knocked
C. had, knock
D. are having, knock