1)a new air-conditioner will be this morning A installed B to install C installing D to install 2)scientists are looking for an way to reduce energy consumption A effective b affection C effect D effectively 3)we can easily in the daylight A read B to read c reading D readed 4)she won't take all these suitcases she likes to travel light A because B but C so D therefore 5)they are completely short of water now a number of people have died because of this A shortening B short C shortage D shortly 6)she is very tired she has to finish her homework A however B so C and d moreover 7)is he an actor singer? A or B and C with D so 8)he's tired he took a rest before continuing the work A so B and C but D if 9)she forgot off the gas before going out A turning B turn C to turn D turned 10)i suggest money for the poor people in our neighbourhood A saving B to save C save D saved 11)who looks your children when you are away from home? A after B at C for D to 12)there are so grammatical mistakes in this test mr luyen A plenty B many C much D great deal 13)my shoes are dirty i'd better take them before i come in A away B up C on D off 14)if you want to save money you should the amount of water your family uses A increase B reduce C adapt D prepair 15)in oder to save alectricity an ordinary 100-watt light bulb can be replaced by A a 100-watt light B a lamp c an electric bulb D an energy-saving bulb 16) put on the guests on the first floor? A why don't we B i suggest C how about D let's 17)my mother has just bought a house is full of roses A whose garden B the garden C the garden of it D the garden whose 18)today young generation is still fond wearing jeans A about B with c of d on 19)tan dropped his watch when he was the bus A tuming off B getting off C taking off D going off 20)i'll bring a raincoat it rains A so B in case C but d sing