Viết lại câu sao cho hoàn chỉnh

1.                 It’s two weeks since they cleaned their room.

ð    They ________________________________________________________________

2.                 It’s over six months since John had his hair cut.

ð    John ________________________________________________________________

3.                 How long is it since you rode a bicyde?

ð    When _______________________________________________________________

4.                 How long is it since he wrote to ỵou?

ð    When _______________________________________________________________

5.                 When did he last talk to you?

ð    How long ___________________________________________________________