I had a pleasant (A) time at (B) secondary school because (C) I had to deal with many bullies (D).
Chỉnh sửa: I had a pleasant time at secondary school because I had to deal with many bullies.
(C: "I had to deal" là đúng, không cần sửa)

The student leamed (A) everything with heart (B), so (C) he couldn't answer (D) a different question.
Chỉnh sửa: The student learned everything with heart, so he couldn't answer a different question.
(A: "leamed" sửa thành "learned")

Desoneer (A) participated in (B) a photography club before (C). It's interesting (D) and helpful.
Chỉnh sửa: The designer participated in a photography club before. It's interesting and helpful.
(A: "Desoneer" sửa thành "The designer")

The tourists enjoyed some local specialities (A), then (B) saw a tribe dance (C) show in front of the communal hose (D).
Chỉnh sửa: The tourists enjoyed some local specialties, then saw a tribal dance show in front of the communal house.
(A: "specialities" sửa thành "specialties", C: "tribe dance" sửa thành "tribal dance", D: "hose" sửa thành "house")

Nam has prided (A) eco-tours for (B) many foreign visitors to (C) Viet Nam (D) several years.
Chỉnh sửa: Nam has prided himself on eco-tours for many foreign visitors to Vietnam for several years.
(A: "prided" sửa thành "prided himself on", C: "Viet Nam" sửa thành "Vietnam")

During my first presentation, my mind turned (B) completely blank (C).
Chỉnh sửa: During my first presentation, my mind turned completely blank.
(C: "bank" sửa thành "blank")

Although (A) that singer has held (B) many concerts, she still find (C) going (D) performance exhilarated.
Chỉnh sửa: Although that singer has held many concerts, she still finds going on stage exhilarating.
(C: "find" sửa thành "finds", D: "performance exhilarated" sửa thành "going on stage exhilarating")

Seeing (A) a gong show is one of the most interesting caperies (C) had (D) in my entire life.
Chỉnh sửa: Seeing a gong show is one of the most interesting experiences I've had in my entire life.
(C: "caperies" sửa thành "experiences", D: "had" sửa thành "I've had")

Afor putting (A) the tents together (B), the children will leam (C) how to bald (D) a campfire.
Chỉnh sửa: After putting the tents together, the children will learn how to build a campfire.
(A: "Afor" sửa thành "After", C: "leam" sửa thành "learn", D: "bald" sửa thành "build")

Before her son attended (A) a 1des (B) course in an army camp (C) he was a very shy boy.
Chỉnh sửa: Before her son attended a fitness course in an army camp, he was a very shy boy.
(B: "1des" sửa thành "fitness")