31, Because he was sick, he didn’t go to school yesterday
32, You’d better not eat too much meat
33, what is the weight of the chicken?
34, what’s wrong with you?
35, Why didn’t you attend the class last Monday?
36, Liz thought the colorful little fish is the most beautiful
37, Long swims badly
38, Mrs. Oanh is a good cook.
39, Ann is a dangerous driver
40, You don’t have to finish the work today
41, I like rollerskating and so does my brother
42, How much do these rackets cost?
43, There are 30 classrooms in my school
44, My brother is very interested in literature
45, Nam prefers staying at home to going to the zoo
46, How about visiting the beautiful Khmer temples of Angkor Wat this summer?
47, I prefer listening to music at home to going to the concert
48, The heavy rain prevented us from enjoying the trip
49, You’d better not eat too many candies
50, He drives more slowly and more carefully than I do