[ Present Simple and Continuous Tense ]
They __________ (travel/travels) around the world during their vacation.
A. travel
B. travels
C. traveling
D. is traveling

Random Topics:
Verb PhrasesComparative AdjectivesSimple Present and Past TensesCan vs CouldFuture TenseModals and VocabularyFuture Continuous, Future Perfect and Future Perfect Continuousused to, be used to, get used toVerb Present Simple TenseNouns FormationOther quiz:
Past Continuous vs Past Simple › ViewWhat word is missing? “She loves ___________ her bike”
A. Ride
B. Riding
C. Rode
D. Rides
Types of Sentences › View
Which of the following is NOT a way to join complete thoughts to form a compound-complex sentence?
A. with a comma
B. with a comma and a coordinating conjunction
C. with a semi-colon
D. with a semi-colon and a conjunctive adverb
Noun Clauses › ViewIs it true ________ people are saying about you?
A. when
B. what
C. if
D. that
Grammar - Present Perfect Tense › View
A: Has Jack driven a car before?
B: No, this is the first time he _____________ (drive) a car.
A. drives
B. has driven
C. have driven
D. drove
