1.(Recycle)____rubbish is one way to help protect the environment.

2.When I was a boy, I(sometimes/earn)____500 dollars a week.

3. Eddy: 'What would you like to eat?'

     Alice: 'I can't make up my mind. I thinh I(have)____a pasta dish.

1.Could you give me some more____about you and your family? (INFORM)

2.The shoes were nice, but they were____(COMFORT)

3.Surface mail is much____than airmail.(CHEAP)

4.He drives____and never gets accidents(CARE)

5.The knife is____. It can't cut everything(USE)

a.I'm often tired. I(work)____hard and I(not/relax)____very much

b.He used(study)____French at university.

c.(Tigers/live)____in Africa?

d.When I heard his knock I(go)____to the door and(open)____it, but I(not/recognise)____him at first

e.This milk(smell)____sour now. Have you kept it for a long time?

f.While I(do)____the washing up yesterday, I(break)____a glass

g. Jack: 'You look happy.'

     Wendy: 'I(just/pass)____my driving test.'

h.She(already/buy)____some color pencils. She(paint)____a picture tomorrow

Tính bán kính đáy của một hình trụ có chiều cao bằng hai lần đường kính đáy. Diện tích xung quanh của hình trụ là 288xpi cm^2

cho tam giac ABC co 3 goc nhon(AB<AC). Cac duong cao AD,BE,CF cua tam giac cat nhau tai H. Goi I la trung diem cua AH.                                            a)Chung minh:BCEF va CDHE la tu giac noi tiep.                                              b)Chung minh:EB la phan giac cua goc FED va Tam giacBEF dong dang voi tam giacDHE.                                                                                                      c)Goi O la tam duong tron ngoai tiep tu giac BCEF. Chung minh:IE la tiep tuyen cua duong tron (O).                                                                                  d)Ve CI cat (O) tai M (M khac C), EF cat AD tai K. Chung minh 3 diem B,K,M thang hang

...giai ho cau c,d

1.How deep is this river?

=>What is_________

2.Mark drives his bus carefully

=>Mark is___________

3.It takes me ten minutes to go work

=>I spend__________