[ Grammar ]
He … in the pool for half an hour.
A. Swam
B. Has swam
C. Has been swimming
D. Swim

Random Topics:
Indirect SpeechCommunicative GrammarActive and Passive Gerunds and InfinitivesTransportation VocabularyVerb FormIntermediate GrammarTenses - Present and PastComparative AdjectiveQuantifiers / Prepositions of Time and Comparative AdjectivesRelative Clauses and Past PerfectOther quiz:
Conjunctions › ViewThe dog escaped ____ the broken gate.
A. due to
B. because of
C. because
D. since
Infinitives and Gerunds › View
I saw him ___ cross the road.
A. cross
B. to cross
Question Tags › ViewScientists study climate changes,
A. Aren’t they?
B. Do they?
C. Don’t they?
Homonyms › View
Don’t touch that, you might ___ it.
a. break
b. brake