[ Interrogative Pronouns ]
——- is the tallest plant you’ve ever grown ?
A. who
B. which
C. what

Random Topics:
Comparison Degree & GerundsContrastive ConjunctionsAdjectives and VocabularyFuture Simple TensePresent, Past and Future TensePossessive Adjective and PronounMuch, many, a lot of, a few, a littleArticles & Compound NounsRelative PronounPast Simple and Past ContinuousOther quiz:
Adverb of Time › ViewMy sister will paint a picture of our national flower ___________.
A. yesterday
B. just now
C. tonight
D. now
Grammar › View
My brother’s bike is _____than mine, but our dad’s bike is ___ of the three.
A. big / biggest
B. bigger / biggest
C. bigger / big
D. biggest / bigger
Conjunction › ViewThe milk is cold _____ refreshing _______ I kept it in the refrigerator.
A. but, or
B. and, but
C. or, and
D. and ,because
Grammar › View
By this time next year, I ______ all my exams.
A. have taken
B. take
C. will have taken
D. will take
