11 A
12 C
13 B
14 C
15 D
16 B
17 D
18 D
19 C
20 A
21 B
22 C
23 B
24 A
25 B
26 C
27 D
28 D
29 B
30 A
31 C
32 D
33 It takes three hours to drive from HN to Nam Dinh
34 I wish you had told us about this
35 The owner of the house is thought to be abroad
36 The sea was too rough for the children to go swimming
37 If he didn't speak so quickly, I could understand him
38 It is such heavy suitcase that I can't carry it
39 I wish it wouldn't be very cold tomorrow
40 The moon is not so hot as the sun