84. The Le family was sleeping ………………….……….. the mailman came. a. when b.while c. for
84. The Le family was sleeping ………………….……….. the mailman came. a. when b.while c. for d.to. 85. Mount Rushmore………………………………….. from more than 100 kilometers away. a. see b. saw c. can be seen d.seeing. 86. It is a contest in which participants have to cook rice. It’s a …………….. contest. a. cook – rice b. … Đọc tiếp