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Combine the two sentences. use the second sentence as an adjective clause.
1 The girl is happy. she won the race.
2 the student is from China . he sits next to me.
3 The students are from China. They sit in the front row.
4 we are studying sentences. they contain adjective clauses.
5 i am using a sentence. it contains an adjective clause.
6 algebra problems contain letters. they stand for unknown numbers.
7 the taxi driver was friendly. he took me to the airport.

1 The girl who she won the race is happy.

2 the student who sits next to me is from China.

3 The students who sit in the front row are from China.

4 we are studying sentences which contain adjective clauses.

5 i am using a sentence which contains an adjective clause.

6 algebra problems contain letters which stand for unknown numbers.

7 the taxi driver who took me to the airport was friendly.