He _____ his homework when his father came home.
A. were doing
B. did
C. was doing
D. did do

Random Topics:
Relative Clauses & Real ConditionalsIndefinite and Reflexive PronounsPronunciation and VocabularyModal SpeculationComparative and SuperlativesTenses of VerbsDescriptionsSimple Past or Past ContinuousDegree of ComparisonClauses and GerundsOther quiz:
Grammar › ViewMiss Ng is a ___________ at the supermarket.
A. ceshier
B. casher
C. cashier
D. cashyer
Grammar › View
Choose the correct sentence with a preposition:
A. She is standing at the door.
B. She is standing in the door.
C. She is standing under the door.
D. She is standing with the door.
Grammar › ViewReport the following situation:
Tom said, ‘I want to visit my friends this weekend.’
_
A. Tom said he wants to visit his friends that weekend.
B. Tom said he wanted to visit his friends that weekend.
C. Tom said he wanted to visit his friends this weekend.
Parallelism and Subject Verb Agreement › View
Identify the parallel structure in the following sentence: He likes to run, swim, and enjoys biking.
A. He likes to run, swim, and biking
B. likes to run, swim, and biking enjoys
C. He enjoys to run, swim, and biking
D. likes to run, swim, and enjoys biking
