1.living in the mountain area has lots of problems,most of ( )are hard to solve2.More than half of the students in this city wanted to be pop stars,( )amazed me.填关系词

1.living in the mountain area has lots of problems,most of ( )are hard to solve2.More than half of the students in this city wanted to be pop stars,( )amazed me.填关系词
1.living in the mountain area has lots of problems,most of ( )are hard to solve
2.More than half of the students in this city wanted to be pop stars,( )amazed me.
填关系词

1.living in the mountain area has lots of problems,most of ( )are hard to solve2.More than half of the students in this city wanted to be pop stars,( )amazed me.填关系词
1 living in the mountain area has lots of problems,most of (which )are hard to solve
2 More than half of the students in this city wanted to be pop stars,( which ) amazed me.

1. which

2. which