Complete each blank with a suitable Preposition:
1) He speaks English like a native. He can give us advice ... how to improve our pronunciation.
2) Hoa often helps Na ... her written assignments.
3) Why don’t you work harder ... the project? We have only two days left to complete it.
4) The TV repairman will be here ... five minutes.
5) People throughout the world must work together to look ... the environment.
6) If you go ... leaving the lights on all day, you will have an enormous electricity bill to pay ... the end of this month.
7) Have you seen my little sister? I’ve been looking ... her ... two hours.
8) Travelling ... public transport will reduce the amount of exhaust fume from cars and motorbikes.
9) I spend $16 a month ... fares and I have to pay $32 ... lighting.
10) What is the purpose ... visit ... our country?
11) We are interested ... the shortage of fresh water ... the world’s population.
12) The cost of living in Vietnam is low compared ... Singapore.
13) Did children account ... 45 percent of the total population affected by the tsunami?
14) This toilet roll is finished. It should be replaced ... a new one.
15) The head of the household should tell each family member to be aware ... saving energy.
16) Instead ... buying energy-saving lights, we should concentrate ... a more economical use of electricity.
17) He is good ... fixing wooden objects, but he is bad ... building with bricks.
18) This electrical appliance will not work ... electricity.
19) Look ... this enormous telephone bill before leaving ... work, darling. I can’t believe in my eyes.
20) If you’ve got a cough, you should try to cut ... the number of cigarettes you smoke.
