26 B orbit
27 A consists
28 A produce
29 C possible
30 D Sun
31 D the smallest
32 B of
33 D sky
34 D contains
35 B are
36 was cooking ( my mother came home frome work -> hành động xen vào nên chia quá khứ đơn; I was cooking dinner -> hành động đang xảy ra nên chia quá khứ tiếp diễn )
37 goes ( every day -> hiện tại đơn )
38 are playing ( now -> hiện tại tiếp diễn )
39 Did you go ( last month -> quá khứ đơn )
40 bring ( mustn't + Vinf )
41 The girl who lived next door to us is very friendly.
42 Mr. Brown asked me what my name was.
43 It is very necessary to learn English. ( S + tobe + adj + for SO + to V )
44 In spite of his broken leg, he managed to get out of the car. ( in spite of + N/Ving )
-> In spite of the fact that his leg was broken, he managed to get out of the car. ( in spite of the fact that + S + V )
45 Unless someone puts the coal in, the fire will go out. ( unless = if... not )