1/The teachers ___________the students to study. A. encourage B.encourages C. is encouraging D. shall encourage 2/I like _____________on the beach.I always spend my holiday _________. A. to lie - to sunbathe B.lying - sunbathe C. lying - to sunbathe D. lying - sunbathing 3/Mai said that she couldn't finish her homework ____________. A. then B. today C. tonight D. this evening 4/Mr Long is very hard-working. He works in a factory _________the day and goes to evening classes________night. A. from - to B.during - at C.during - with D. from- at 5/The astronauts are looking___________to the earth. A.forward to returning B.to return C. to returned D.return 6/She said that she____________the cold weather. A.used to B.didn't use to C.couldn't get used to D.get used to 7/The label tells the consumers how much energy_________each model has. A.efficiency B.afficient C.efficiently D.effective