[ 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:
Phrasal Verb › ViewWhen I visited to Singapore, my aunt . . . . . for a few nights. I get to save my budget for hotel.
A. put me up
B. put me down
C. put me off
D. put me aside
Adjectives and Adverbs › View
He took the exam quickly and ______, and so he made a lot of mistakes.
A. careful
B. careless
C. carefully
D. carelessly
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
