[ Correlative Conjunction & Complex Sentences ]
based on the research you have to wear mask…. you will save other people’s lives
A. because
B. and
C. but
D. not only but also

Random Topics:
Grammar (Adjectives)GerundCausative VerbVerb-ing or to VerbVerb TensesTransportation VocabularyPresent Perfect & Past Simple TenseIn/On/At + TimeNoun QuantifiersOn, At, ByOther quiz:
Grammar › ViewI’m going to the supermarket … some orange juice.
A. buy
B. buying
C. to buy
Present & Past Tenses › View
Choose the correct answer:
She … tea at 5 o’clock on Saturdays.
A. Have
B. Has
C. Had
D. Was having
Grammar › ViewDid Sally spend ________ money?
A. a lot of
B. many
Grammar › View
He ___ wear uniform in his school. Everybody can wear what they like.
A. didn’t have to
B. don’t have to
C. doesn’t have to
D. No answer
