Hòa tan hoàn toàn 8,5g hỗn hợp 2 kim loại X, Y cùng thuộc nhóm IA ở hai chu kỳ liên tiếp nhau vào 191,8g nước, thu được 3,36 lít khí H2(đktc) và dung dịch Z
a) xác định hai nguyên tố X, Y và nồng độ phần trăm của chất tan trong Z
b) tính thể tích dung dịch Y chứa HCl 0,2M và H2SO4 0,1M cần dùng để phản ứng vừa đủ với dung dịch Z

1) Be quick! I .....(wait) for you
2) They ...... ( tell) us we were too late. The train .......( leave)
3) When I .....(get) to the theatre, the play .......(already start)
4) John was not at home. He ..... (go) away
5) The house was very quiet. Everybody ...... (go) to bed
6) They ......... (not go) home until they finished their work
7) We ....... (just turn off) the lights when we heard someone at the door
8) It ....... (rain) in the winter
9) The ......... (invent) of radio by Marconi played an important part in the development of communication
10) When I was young, I received some ......... (science) training from my father
11) We must send ........ (human) aid to the refugees
12) Nowadays, more and more young people want to have a university ..........(educate)
13) We have a very ...........(crowd) schedule
14) She received a general ...........(educate) in local school
HELP ME!!!!

I) Chia động từ

1) Be quick! I .....(wait) for you
2) They ...... ( tell) us we were too late. The train .......( leave)
3) When I .....(get) to the theatre, the play .......(already start)
4) John was not at home. He ..... (go) away
5) The house was very quiet. Everybody ...... (go) to bed
6) They ......... (not go) home until they finished their work
7) We ....... (just turn off) the lights when we heard someone at the door
8) It ....... (rain) in the winter
9) The ......... (invent) of radio by Marconi played an important part in the development of communication
10) When I was young, I received some ......... (science) training from my father
11) We must send ........ (human) aid to the refugees
12) Nowadays, more and more young people want to have a university ..........(educate)
13) We have a very ...........(crowd) schedule
14) She received a general ...........(educate) in local school
HELP ME!!!!

viết một đoạn văn ngắn miêu tả về quê hương (không quá 5 câu) trong đó có sử dụng câu nghi vấn, câu cảm thán, câu trần thuật
HELP ME!!!

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