có ai giải đc bài này k hộ mình vs ( mình cảm ơn)

1B 2D 3C 4A 5B 6C 7A 

1 Because I like table tennis, I spend a lot of time on that game

2 The weather was so cold that we had to cancel our picnic

3 I won't forget to phone her because I like her so mich

4 They pass the course because they tried their best to complete the course

5 Because I love my city so much, I think I will stay and work here in my city

1. abroad

2. came

chúc bn học tốt 

bài 1

a, \(\dfrac{\sqrt{3}}{\sqrt{25.3}}\)  = \(\dfrac{\sqrt{3}}{5\sqrt{3}}\)  =5

b, \(\dfrac{\sqrt{444}}{\sqrt{111}}\)  = 4

đây là bài 1 nha bn

mình chỉ giúp đc từng  đó nha bn mong thông cảm