Hoàn chỉnh câu thứ 2 sao cho không thay đổi ý nghĩa so với câu đã cho
1. My mother bought me a lot of flowers yesterday.
-> A lot of................................................................
2. ''What aspect of learning English do the students find most difficult?'' the teacher said to me/
-> The teacher asked..........................................................................................
3. If Hong doesn't study harder, she'll fail the exam.
-> Unless..................................................................
4. I haven't done any gardening for 3 months.
-> The last.......................................................
5. This test is more difficult than any other test I have taken.
-> This test.............................................................................
6. We enjoyed our holiday despite the heavily rain.
-> Although.............................................................