[ Present Perfect Tense ]
How many books has the author _______ so far? About five books.
A. write
B. written
C. writing
D. wrote

Random Topics:
AdverbPresent Simple & ContinuesAdverbs of Manner, Likes and PreferencesConnectorsPhrasal Verbs and Verb FormsNumbersComparative and SuperlativesModals for DeductionTenses and FoodCoordinating & Subordinating ConjunctionsOther quiz:
Present Tenses › ViewIn his essay, the professor … the existence of UFO, but … out the fact that we still … no proved evidence of their existence.
A. is admitting/points/have
B. admits/points/have
C. admits/points/have had
D. admits/has pointed/are having
Grammar › View
What are you waiting ________? Let’s go now.
A. to
B. for
C. about
Modal Verbs › View………. they meet us on the beach, or is that too far from their house?
A. -Shall
B. -Could
Phrasal Verbs › View
The criminals broke __ the house.
A. in
B. into
C. out
D. out of
