1. My birthday is on the next Sunday
2. It doesn't often snow here at x Christmas
3. We came here in the summer of x1969
4. Are you doing anything at x weekend?- I don't think so.- We, come over on x Sunday.
5. The chair that you are sitting in is broken
6. The big books on the table are for my history class.
7. A: Do you take x sugar in coffee?
B: I used to, but now I'm on x diet. I'm trying to lose weight.
8. x skiing is my favourite sport but I also like x swimming.
9. Pigeon is the symbol of x freedom
Chú ý: x có nghĩa là không cần điền.