[ Grammar ]
the reinforcement of sound produced by vibration
A. reason
B. repeater
C. resonance
D. residence

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Phrasal Verb Put & GoModal PerfectComparisionHope, Thank, Modal VerbsPersonal Pronouns and VerbOffer and SuggestionVocabulary and GrammarSo / Neither / Either / TooTenseGerundsOther quiz:
Grammar › ViewHe __ in China since 1998, he is a legend in our department.
A. had work
B. have worked
C. has worked
D. have working
Adjective › View
We were ___ to hear he’s 50. He looks much younger.
a.surprised
b.surprising
what is the plural form of day
A. days
B. dayes
C. dias
Vocabulary › View
happiness
A. mature
B. resemble
C. contentment
D. particular
