1. They (live) in Paris for 10 years before they (move) home. 2. As soon as I (download) the document, I knew I (make) a mistake. 3. Mary (ring

1. They (live) in Paris for 10 years before they (move) home. 2. As soon as I (download) the document, I knew I (make) a mistake. 3. Mary (ring) John’s doorbell at 8:15 yesterday but John (already/ leave) the house. 4. By the time the firemen (arrive), the fire (destroy)three houses. 5. Our economy (not … Đọc tiếp

51.After his wife gave birth to thier first son,he imedately(buy)==a nice cradle. 52.I (study)=–…French at t

51.After his wife gave birth to thier first son,he imedately(buy)……………………a nice cradle. 52.I (study)…………………..French at the moment,but I (not speak)……………………….it very well yet. 53.I usually (work) ………………..at night,though I (have)………………….a holiday at the moment. 54.He (teach)………………….in a language school,though they (not work)……………………in a factory at the moment because the school’s on holiday. 55.Jet engines(make)………………………a lot … Đọc tiếp

Use the cues to make sentences 1, One / the traffic problems/ our big cities/ that/ there/ too many people/ use/ the road =>==.

Use the cues to make sentences 1, One / the traffic problems/ our big cities/ that/ there/ too many people/ use/ the road =>……………………………………………………………………………………… =>……………………………………………………………………………………… 2, Not/ drive/ if/ feel/ tired/ after/ drink/ alcohol =>……………………………………………………………………………………… 3, How/ it/ from/ your house/ Youth Club? =>……………………………………………………………………………………… 4, The traffic/ a nightmare/ visitors/ Viet Nam/ the first time … Đọc tiếp

Cân 12 gam MgSO4 cho vào cốc có dung dich 100ml. Đổ dần dần nước cất vào cốc vào khuấy cho đủ 50ml dung dịch. Phân biệt dung dịch muối ăn vào nước cất

Cân 12 gam MgSO4 cho vào cốc có dung dich 100ml. Đổ dần dần nước cất vào cốc vào khuấy cho đủ 50ml dung dịch. Phân biệt dung dịch muối ăn vào nước cất? Phân biệt ba dung dịch NaCl HCl NaOH

1. The _______ of gases from car exhausts is one of the main causes of air pollution. A. magnitude B. vibration C. emission D. degradation 2. The crim

1. The _______ of gases from car exhausts is one of the main causes of air pollution. A. magnitude B. vibration C. emission D. degradation 2. The criminal _______ guilty by the jury, and the judge sentenced him to nine years in prison. A. found B. was found C. is found D. had found 3. … Đọc tiếp