1. ______ is now a serious problem in Viet Nam. (FOREST) 2. These shoes are smart, but they are very ___________________. (COMFORT) 3. He entered the country______, and the police caught him quickly. (LEGAL) 4. Close your eyes and ______ (that) you are in a forest. (IMAGINARY) 1. The accident happened because he drove _______ . (care) 2. Air _______ is one of the problems that people have deal to with. (pollute) 3. Jake's passed his exams. We're going out to ______. (celebration) 4. You shouldn’t buy this book . It’s very______. (inform) 1. Many _________ have mentioned the Ao dai in their poems. (poem) 2. They are having a ____________ time in Da Lat. (wonder) 3. He is bad at Maths. He studies __________ (effect) 4. He can't______ whether to buy it. (decision) 1. The next stage in the ________ of television is interactive TV. (develop) 2. They seem to be ________________. We dislike them. (friend) 3. ________, the typhoon didn't cause any damage on the village. (lucky) 4. We ______ to our customers for the inconvenience caused. (apology)