chậm chạp

Where is the ruler chứ nhỉ? a ruler nó cứ kiểu gì 

day rứt-> day dứt

1. An explosion blew out the front windows. (explode)
2. We don't use many chemicals on our farm these days. (chemistry)*
3. The book provides valuable information on recent trends. (value)
4. He has struggled with behavioral problems since he was five.(behavior)
5. There's not enough interaction between the management and the workers. (interact)

Phan Ngoc Phuoc
lam the la hieu sai ma ban?

76+77.... teachers (đề in hơi lỗi ạ, vì tách câu này làm 2 câu)....teaches...
78. neighborhood
79.beautiful
80. careful
81. second...twice..
82. usually
83. activities
84. suitable
85. hot
86. depth
87. variaty
88. longest
89. shopping
90. worse
91. good- looking

ú chà chà, lâu rồi mới thấy

in