1. this country has a... climate( continent)

2. the ... university of Ho Chi Minh city ha a very large language centre(nation)

3. I think the prices here are...(reason)

4.I don't think the food is very good, but it is ....( tolerate)

5. this company offered a lot of..... jobs(attract)

các bạn cho mk hỏi giá trị biểu thức sin36 - cos54 bằng bao nhiêu

1. Al's doctor insists _______ for a few days

a. that he is resting b. his resting c. him to rest d. that he rest

2. we _________ there when our father died

a. still lived b. lived still c. was still living d. were still living

3. we wish that you_____ such a lot of work, beacause we know that you would have enjoyed the party

a. hadn't had b. hadn't c. didn't have had d. hadn't have

4. since your roommate is visiting her family this weekend, _________ you like to have dinner with us tonight

a. will b. won't c. do d. wouldn't

5. please ________ phoyocopies of documents

a. not to submit b. do not submit c. no submit d. not submit

cho Δ ABC vuông tại A, đường cao AH. E và F lần lượt là trung điểm của AH và BH

a) tính BC, AH, HC và góc ECH

b) chứng minh Δ BFA và Δ AEC đồng dạng

c) CE cắt AF tại I, EF cắt AC tại N.

chứng minh AF ⊥ CE. tính EN