[ When vs. While ]
The police stopped him … he was driving.
a. when
b. while

Random Topics:
Take or PutTypes of Sentence StructuresVerb to beGrammar - Sentence StructureCan, Could, May, MightSimple and Past TensesProgressive TenseConjunctions, Prepositions and InterjectionsPast Continuous Tense & Past ModalsComparatives and Past Perfect TenseOther quiz:
Modals and Vocabulary › ViewJohn loves sports. _______ he plays basketball every weekend.
A. therefore
B. for example
C. similarly
D. because
Vocabulary › View
The theory that pieces of Earth’s lithosphere are in constant motion, driven by convection currents in the mantle.
A. convergent boundaries
B. Pangea
C. plate tectonics
D. convection currents
Infinitive › ViewI need ___________ to the supermarket. We don’t have any milk.
A. to go
B. go
Preposition › View
I don’t like cities. I’d much prefer to live …. the country.
A. in
B. on
C. at
D. by
