complete the following sentences with comparative or superlative form. 1.the united states is large,but canada is .............(large). 2.what is the .........(

complete the following sentences with comparative or superlative form.
1.the united states is large,but canada is .............(large).
2.what is the .........(wide)river in the world?
3.she ways very sad yesterday.today she looks...........(happy)
4.somebody stole my wallet.it was the.......(bad)day of my life.
5.everest is the .......(high)mountain in the world.it is.........(high) than any other mountain
6. this chair is the .......(comfortable)chair I've ever used.
7.my parents have three kids.i am the.......(old)
8.she won the beauty contest.she is the.........(talented)girl in the competition.
9.Danny always gets first place in our class.he is the .......(smart)
10.she sings.........(loud)than anybody else in the choir.