[ Present Perfect ]
How long ……. you been here in Ha Noi?
A. is
B. are
C. have
D. has

Random Topics:
and, so, but, becauseVerbal CommunicationAdjective + to + Verbused to vs be used to vs get used toVerb Tense, Pronouns and AntecedentsModalConjunctions and CommasAdverb of TimeCompound and Complex SentencesIdentifying TensesOther quiz:
Grammar › ViewWhich of these is correct?
A. They am happy.
B. They is happy.
C. They be happy.
D. They are happy.
Grammar › View
A : I’m very worried.
B : Look, if she __________ by 9 o’clock, I’ll go out and look for her.
A. isn’t calling
B. hasn’t called
C. didn’t call
Modal Verbs › ViewI think you……………….go to see the doctor. You don’t look well.
A. will
B. can
C. might
D. should
Grammar › View
Mrs Ratcliffe is retiring today after 25 years of_________ service to the company. EXCEPTION
A. exceptionate
B. exceptionish
C. exceptionic
D. exceptional