tìm lỗi
1.they thought(A) that it had(b) been a(C) very satisfied(D) dinner
2.however cheap(A) it is(B),poor quality(C) products never appesl to(D) customers
3. 45 minutes are(A) not longenough(B) for the students(C) to finish th(D)test
4.we will have(A) to replace(B) all the furnituresthatwere(C) damaged in(D) the flood
5.the secretary(A) is responsible for(B) her boss for(C) classifying(D) the document