[ Present Perfect Simple & Continuous ]
What’s the most valuable thing you ______ so far?
A. have purchased
B. purchasing
C. have been purchasing
D. purchase

Random Topics:
Active & PassiveSubordinating ConjunctionTypes of SentencesModals and Active and Passive VoicePresent Simple and Modal VerbsKinds of NounsJobsInfinitives or GerundsSimple Past1st and 2nd ConditionalsOther quiz:
Phrases and Clauses › ViewFor twenty days.
A. Phrase
B. Dependent Clause
C. Independent Clause
Grammar › View
Look out! _______ car is coming our way. It looks like ______ driver is drunk.
A. The, the
B. A, the
C. A, an
D. An, the
Each of my sisters has ____ own room.
A. their
B. him
C. them
D. her
Phrasal Verb › View
bring a new car engine into full use (by driving it slowly for a set period)
A. run out of
B. run in
C. run through
D. run off
