choose the best answer to complete these following sentences 1)we decided not to go out for meal we were too tired A but B because C so D and 2)my shoes are dirty.i'd better take them before i come in A aways B up C on D off 3)if you want to save money you should the amount of water your family uses A increase B reduce C adapt D repair 4)who is going to your children when you're at work? A look for B look up C look after D look out 5)mary's eyes are weak she has to wear glasses A but B however C and D therefore 6)if there is a mechanical problem we suggest the manufacturer directly A contact B contacting C to contact D be contacted 7)our energy will soon be used up if we don't it A use B save C spend D take 8)the children like to put nice clothes when they go out A in B off C into D on 9)i like bananas my brother doesn't A because B but C and D even though 10)please turn the gas i want to cook this for lunch A over B on C in D over 11)he is tired he stayed up late watching tv A so B because C but D and 12)her parents saw her at the railway station A in B for C up D off 13)can you turn the light?it's too dark A on B off C in D for 14)what are you looking ?my picture book.i've lost it A for B off C in D on 15)there are saving methods and inventions to use solar energy A energy B energize C energetic D energetics 16)i had to pay much this month for the international A calls B calling C call D called