[ 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:
Modal › ViewChoose the correct modal verb to complete the sentence: I _______ go to the concert if I finish my work on time.
A. will
B. may
C. should
D. can
Modal Auxiliary Verbs › View
Pema _____ working on his homework.
A. is
B. am
C. does
D. are
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