帮我看看几道英语题
1.The weather in Guangzhou is hotter than _______ in Beijing.
a.it b.that c.one d.those
2.The twins corrected the mistakes on the test paper by ______.
a.them b.themselves b.him c.himself
3._______ will give us a talk about studying English?
a.Whom do you think b.Whom do you know
c.Who do you think d.Who do you know
4.The house made of_______.
a.wood b.woods c.stones d.a stone
青帮我作一下,并且讲一讲～