question1: fill in each blank with a suithble preposition
1. you should wash your hand....meals
2. they had to fill.. their medical records
3. I haven't seen my grandparents....yesterday
4. my father enjoys cooking tradittional food....our family
Question 2: Answer the questions about you
1. What should you do to protect environment?
2. What should you do to save energy?
before
in
since
for
-------
1 I should recycle glasses, cans and bottles
2 I should turn off the light when not using it
Q1.
1. before
2. up
3. Đề có lỗi không nhỉ?
4. for
Q2.
1. plant trees, throw rubbish in the bin,...
2. use solar panel, switch off lights and electrical appliances while not using them