9 No one in the club plays soccer as well as Thanh
10 Peter Peter is the tallest student in my class
11 I was invited to the party
12 My sister enjoys hanging out with her friends on Sunday
My sister is fond of hanging out with her friends on Sunday
13 Because she is busy very busy next weekend, she can't come to the party
14 We spent 3 hours reaching the top of the mountain
15 No one in her class is as intelligent as my younger sister
16 Mai's team performed less successfully than Lan's team
17 The white dress is less expensive than the black one
18 It took her 2 hours to write the dress
19 Paper was invented by the chinese in the 1st century AD
