[ Mixed Tenses ]
I don’t think he ____________in the thirty years I _______________ him.
A. has changed/have known
B. had changed/have known
C. had changed/had known
D. has changed/knew

Random Topics:
So Such Enough TooTenses and VerbsWH Questions and Simple Past TenseAdverbial Clause of ConcessionPronoun & Present SimpleAll, Both, Neither, None, EitherSimple Present and Present ContinuousVerb PatternsNouns and QuantifiersPresent PerfectOther quiz:
Grammar › ViewI _____ send any emails at the moment. My computer isn’t working.
A. can’t
B. ‘m not able to
C. both are possible
Vocabulary › View
Apt:
A. to end resistance, give up, throw in the towel
B. to furnish, equip
C. related to the matter at hand
D. Suitable, fitting
Simple Past Tense › ViewHow many days / John / stay / there?
A. How many days did John stay there?
B. How many days John stayed there?
C. How many days John stay there?
Grammar › View
Has he got curly hair?
A. Yes, he has.
B. No, he hasn’t.