[ Present Simple and Present Continuous Tense ]
“David, what …….. you …….?” “I am reading a book.
A. do/do
B. are/doing
C. are /do
D. does/doing

Random Topics:
Grammar Comma UsageNounsPrepositions of Time and PlacePrepositions of Place & TimeMay, MightKinds of NounsGrammar - help/have/let/makeSimple, Complex, Compound SentenceDegrees of AdjectivesGrammar - Collective NounsOther quiz:
Grammar › ViewFill in the blank with the right preposition: “The new building complies ___ international safety standards.”
A. on
B. to
C. with
D. of
Grammar › View
___ is your shoe size?
a. What
b. Which
c. How