[ Relative Clause ]
The car that I want to buy __________.
A. it is economical to drive
B. which is economical to drive
C. is economical to drive.

Random Topics:
Tenses StructureFrequency AdverbsModals for DeductionGrammar Present Perfect (ever never)Simple Past Tense (was/were)Subject, Object, Possessive Pronoun and Possessive AdjectivesPresent and Past Perfect TensesPassive with ModalsPresent Simple vs Present ContinuousProgressive Verb TensesOther quiz:
Grammar › ViewAlex ________ a documentary about wild animals now.
A. is watching
B. watches
C. watch
Modal Verbs › View
___ you help me?
A. Must
B. Should
C. Could
D. Have to
E. Had to
Past Progressive Tense › ViewI ………………. reading a magazine.
A. were
B. was
Grammar › View
You … be on time,or you will be late.
A. had better
B. must
C. have to
