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(4)Ngâm 1 lá Zn trong 32g dd CuSO4 10% cho tới khi Zn ko thể tan đc nữa a]Viết PTHH. Pứ trên thuộc loại pứ gì ? b]Tính khối lượng Zn đã pứ c]Xác định C% của dd sau pứ
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Mọi người giúp mình với ! ( dù bài hơi dài ) Viết các thì đúng của các động từ trong ngoặc .1 . Every morning , Linda ( get )………........... up at 6 . She ( have ) …………… breakfast at 6:10 . After breakfast, she ( brush ) ………….. her teeth . She ( go ) ……….. to school at 6:30 . She ( have ) …………… lunch at 11:30 at school . 2 . We ( watch ) …………….T.V every morning . 3. I (do ) ……………………my homework every afternoon . 4 . Mai and Lan ( play ) ………………….games after school . 5 . Vy ( listen ) ………………to music every night . 6 . Where ( be ) …………..your father now ? He ( read ) …………..a newspaper . 7 . What ………….you ( do ) ………………? I ( be ) ……….a student . 8 . Where ………….you ( go ) …………….now ? I (go ) ………………to the market . 9 . She is cooking and we ( do ) ……………………..the housework . 10 . He isn`t in the room . He ( play ) ………………..in the garden . 11. Look ! The birds ( fly ) …………………………. 12 . I ( go ) …….….to school by bus every day , but today I ( go ) …………..…..to school by bike . 13 . Listen ! Mai ( sing ) …………………………. 14 . They ( play ) ………………volleyball every afternoon .They ( play ) ………..…volleyball now . 15 . Mai ( brush ) ………………..her teeth every morning . She ( brush ) ……………her teeth now . 16 . Listen ! Lan ( play ) ……………………….the piano . 17 . Mai ( be ) ………………….tired now . 18 . It is 6:00 p.m . Mary is at home . She ( have ) ……….. dinner with her family around six o` clock . 19 . Where is your father ? He is upstair . He ( watch ) ………………T.V He always ( watch ) ………………………..T.V at night . 20 . Our teacher ( live ) ……………………..on Quang Trung street . 21 . Hoa and Mai ( do ) ………………………the housework now . 22 . What ………………your mother ( do ) ……………….? She is cooking . 23 . How …………………you ( go ) ……………to school every day ? 24 . Nam ( go ) ………………..to work by car every day but today he ( take ) ……………a bus . 25 . Where ………………..your father ( work ) ……………..? In the hospital . 26 . Look ! The teacher ( come ) ……………………… 27 . She is very clever . She ( speak ) ………………….4 languagues. 28 . Steve often ( smoke ) ………………….10 cigarettes a day . 29 . We usually ( have ) ……………………dinner at 7: 00 30 . Anne ( wash ) ………………….her hair twice a week . 31 . Jane ( teach ) …………………English to children . 32 . You ( meet ) ………………….a lot of people . 33 . He often ( go ) ………………………….to the cinema . 34 . Food ( cost ) …………………a lot of money . 35 . Listen ! Somebody ( sing ) …………………………… 36 . She is tired . She ( want ) ………………….to go home now . 37 . How often …………you ( read ) …………………a newspaper ? 38 . “ Excuse me , but you ( sit ) ……………………in my place “ “ Oh , I am sorry “ 39 . “ I am sorry “ I ( not understand ) ………………………….. Please speak slowly. 40 . What time …............she ( finish ) ……………work every day ?

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