Giúp mik vs ạ! Question IV. Put the verbs in brackets into the correct form.12.The Statue of Liberty in New York is a monument which (symbolize) _ freedom.A. symbolizes B. symbolizing C. symbolized D. symbolize13.There are about 750 million English speakers in the world, and this number ( increase)__fast.A. increasesB.increase C. increase dD. is increasing14. Factories (not dump) _____waste into rivers if the government fines them heavily.A. will dumpB. don’t dumpC. won’t dumpD. won’t dumped15. The kangaroo (become) _____________ a symbol of Australia since 1973.A. has becomeB. have becomeC. becomesD. became16 .If there were more trees in this area, the air ( be) _____________ fresher.A. will beB. would be C. wasD. is17 .The earthquake occurred at midday when they (have) _____________lunch.A. was havingB. were having C. have D. had