fine one suitable word to complete the following passage

Many people believe that natural resources will never be 34.......... up.Actually,the world's energy resources 35......... limited.Nobody knows exactly how 36......... fuel is left 37...... we also should use them econnomically and 38...... out alternative sources of power 39......... to professor Marvin Burnham of the New England Institute of Technology we have to start conserving coal oil and gas 40.........it is too late and nuclear power is the 41....... alternative.

However many people do 42........... approve of using nuclear power because it is very dangerous .What would happen 43............ there were a serious nuclear accident? Radioactivity causes cancer and may badly affect the future generations.

The 44........effective thing is that we should use natural resources enconmically as 45......

VI. Put the verbs in brackets in the correct tense forms to complete the sentences.

5. You (meet) ____________ your former teachers at 9 am tomorrow morning, won’t you?

put the verbs in brackets in the correct tenes forms to complete the sentences

1.you(wait).............for her when her plane arrives tonight?

2.don't phone me between 7 and 8.we (have)........dinner then

3.i (send).................in my application tomorrow

4.Next week at this time you (lie).........on the beach 

1.we are looking for cheap clean and....sources of energy 

A.effective  B.efficient  C.serious  D.dangerous 

2.we should put......on our roof for the heating and hot water

A.solar energy    B.equipment   C.cracks  D.solar panels 

các yếu tố tác động đến sự sinh trưởng 

choose the word having the underlined part pronounced differently in each line

1 A.new  B.sew  C.few  D.knew

2 A.moon  B.tool  C.blood  D.spoon

3 A.decided  B.played  C.listened  D.ẹnoyed

4 A.feed  B.heat  C.meat  D.pleasure

chuyển các câu chủ động dưới đây thành câu bị động hoặc ngược lại 

1.what will there do to save energy 

2.A lecture will be delivered by a famous professor to morrow

cho tam giác ABC có AB=11cm,BC=1cm.Tính độ dài cạnh AC biết độ dài cạnh AC là một số nguyên (cm)?