[ Tenses ]
In the last hundred years, traveling _______much easier and more comfortable.
A. become
B. has become
C. became
D. will became

Random Topics:
Independent ClausesSimple Present and Present ContinuousGrammar / PronounsGrammar Present Perfect (ever never)Infinitive GerundGerund after Prepositions and Certain VerbsPresent Simple or Present ContinuousPast, Present, FutureVocabulary and PhrasesQuantifies and Modals of DeductionOther quiz:
Tenses › ViewJacky often… to Singapore for vacation
A. are travelling
B. is travelling
C. Travels
D. Travel
Gerunds and Infinitives › View
I must ______ to some of their songs before I go to the concert.
A. listen
B. to listen
C. listening
