cần phần b ạ

.Different kinds of flowers (plant)……… …………….. in the garden at the moment. 22.An article (translate)…………………………….from English into Vietnamese now. 23.The Prime Minister (make )……… …………………..a speech at the moment. 24.We (follow)………………………...........................………..now 25.The house (build)……………………………………………………. here soon. 26.You (send)……………… ………………………… home if you are naughty. 27.The girl (visit / not)………..………………………………to Ha Noi tomorrow. 28.The morning paper (read)……………………by over 200000 people every year 29.A new house (build)………………………..next to our house next year 30.The letter already ( type)…… ………….by the secretary. She (type)…………..them yesterday 31.That letter is important. It (ought to type)…………………..on letterhead stationery 32.When your bike (steal)……………………….? – Two days ago. 33.That’s not my coat . It (belong )……………………………to Mary 34.(you / pay)……………………….your electric bill yet? – No, I haven’t, but I’d better pay it today. If I don’t., my electricity (shut )……………………..by the power compan

1000 số hữu tỉ trong đó tích của 3 số bất kì đều âm CMR: a) Tích của 1000 số đó là 1 số dương b) Tất cả 1000 số đó đều âm