81 The stomachache prevented Mr Thanh from enjoying the meal

82 Neither Lan nor Mai came to school

83 There is a train leaving at eight o'clock every morning

84 Because Lan was sick, she didn't go to school yesterday

85 You don't need to talk so loudly

86 Miss Lan runs fast

87 The visitor spoke too quickly for me to understand what he said

88 Trung was absent from School last Saturday

89 No houses on the stress are older than my house

90 My mother spends half an hour cooking lunch

Bạn xem hình 

( Lần sau chụp rõ hơn nhé ! )