Combine the following pairs of sentences using a 'preposition + whom / which' or a 'quantifier + of + whom / which'. (cẩn thận những câu là "Non-defining relative clauses" thì nhớ phải thêm dấu phẩy):
LƯU Ý: NHÌN KỸ ĐỀ RỒI MỚI TRẢ LỜI! TUYỆT ĐỐI KHÔNG COPY MẠNG VÌ CÂU HỎI CỦA MÌNH CÓ THỂ HƠI KHÁC!
23. Alice likes the foreign family. She is living with them.
-> ................................................
24. They picked up five boat-loads of refugees. Some of them had been at sea for several months.
-> ................................................
25. I saw several houses. Most of them were quite unsuitable.
-> ..................................................
Alice likes the foreign family with whom she is living.
They picked up five boat-loads of refugees, most of which had been at sea for several months.
I saw several houses, most of which were quiet unsuitable.