[ Grammar ]
My students were not able to understand _____.
A. the book which gave them
B. the book that I gave them
C. which I gave them
D. the book whom I gave them

Random Topics:
Demonstrative Pronouns and Verb Tensestake, make, doAdverbs by TypeImperative SentencesSubject-Verb AgreementBe used to vs used toTime ClausePerfect and Past TensesContinuous and Perfect Tenses“Put” Phrasal VerbOther quiz:
Grammar › ViewWhat’s the problem with the coffee?
It isn’t hot ______________ and I hate cold coffee!
A. enough
B. too
C. too many
Simple Present Tense › View
A bicycle _____ has two wheels.
A. never
B. flies
C. your
D. always
Grammar › ViewThe hot air balloon at the field  ______ a lot of attention in yesterday’s game.
A. drew
B. draws
C. drawing
D. drawn
Prepositions › View
Iraq is rich ________ oil.
A. on
B. at
C. to
D. in
