Giải giúp mình bài này nha
1.Tom hasn't had his hair cut for five months => the last time
2.after walking for three hours we reached the stop of the hill => after we
3.i and Dave tried to ring each other at the same time => while
4.during his test at school mobile phone rang => when
5. Mary made asandwich and then sat on sofa to wacth tv=> before
6.Dave did his homework and then went to bed=> after having
7.as soon as he approached the house the policement stopped him => no sooner
8.she hadly begun to speak before people started interrupting her=> harly
9.Mai hasn't gone to the cinema with her friends for one years => Mai last
10.In the middle of their sleep the fire broke out => when