模拟试题：1. _ plastics, the machine is light in weight.A. To make of B. To be made of C. Having made of D. Made of2. “_ all three people in the car injured in the accident?”“No,_ only the two passengers who got hurt.”A. Were/it was B. Are/there is C. Were/it were D. Was/there was3. _ is to be in the flowing “river” of bears.A. Stand on the tip of the cape B. To stand on the tip of the capeC. Standing on the tip of the cape D. Being standing on the tip of the cape4. The spe
