[ 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:
Phrasal Verb › ViewMove away
A. Draw up
B. Draw out
C. Draw back
D. Draw into
Modal Verbs › View
my brother is only 6, but he_____already play the piano
A. may
B. can
C. will
D. should
Pronouns and Antecedents › ViewEach 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
