4. The cups can
, be careful. (to break)

The cup can break be careful

1) who is your best friend? 2) what does she look like? 3) what do you like in your friend? 4) what are you both interested in? 5) do you quarrel sometimes? 6) what do you do together? 7) how much time do you spend together? 8) when did you meet last?  

1)  london wasn't the capital till the eleventh century. - london didn't used to be the capital till the 11th century. 

2)   when willian shakespeare lived in london he acted and wrote plays. -  when w.s. used to live in london, he acted and wrote plays.

3) henry longfelow , one of the most popular american poets of the 19-th century , learnt modern languages. -  h.l., one of the most popular american poets of the 19th century, used to learn modern languages.

4)   when michel jackson was 7 years old he often took part in the concerts. -  when m.j. was 7 years old, he often used to take part in the concerts.