Study hard or you won’t pass the exam. If ____________________________________________________________

There have been some __________ eruptions in this area for the last 10 years. A. volcanic B. scattering C. homeless D. disastrous

“I will hand in my assignment to the teacher tomorrow.” Alan said to me.

Last night’s storm caused a lot of __________ to people in that area. A. droughts B. forests C. damages D. volcanoes

You shouldn’t believe in things in the __________ world. A. real B. cultural C. body D. cyber

Since 1965, the maple tree with red leaves _________ the most well-known Canadian symbol. A. has become B. become C. became D. becoming

A. aquatic B. cause C. effect D. race

Vietnam has just overcome a devastating forest __________ in Ha Tinh. A. fire B. rage C. trap D. thing

Have you ever seen a flying __________? A. danger B. saucer C. outer D. painter

Parents should teach children not to __________ wastes on the road. A. litter B. poison C. cause D. measure

__________ pollution is harmful or annoying level of noise, as from vehicles, industry activities, etc.

Poisonous ___________ from factories can kill a lot of wildlife animals. A. things B. animals C. chemicals D. nations

I can’t hear your voice __________ I’m wearing an earplug. A. although B. due C. however D. because