[ Relative Clause ]
As a university student, you should know____to use a library very well.
A. how
B. whose
C. that
D. which

Random Topics:
Auxiliary VerbsGerunds and ModalsModals and Past TensesSubject and Verb AgreementPRESENT SIMPLE vs PRESENT CONTINUOUS + QUANTConditionals (0 - 1 - 2)Comparatives ( adj/ adv)Present / Future / Present Progressive / non Action Verbs1st and 2nd ConditionalsInversions and SubjunctiveOther quiz:
Grammar › ViewI ……………………. (do) my homework yesterday.
A. did
B. do
C. were doing
D. doing
Simple Past Tense › View
I _______ you_____ the lottery a few months ago.
A. hear / win
B. hear / won
C. heard / win
D. heard/ won
Adjectives › ViewThe pain was ……. than he could bear.
A. much
B. more
C. most
Present Simple and Modal Verbs › View
. You ___ wear a hat in class.
A. can’t
B. may
C. must
D. can