Điền từ còn thiếu: My sister and I like each other very much although we are very..

My sister and I like each other very much although we are very (21)______She’s six years (22) ______ ____me and she works in a bank. I’m still (23)______ school, so I don’t have a job. My sister (24) ____her job, and she earns a lot of money, so she can go out and enjoy herself. She’s very (25)___and often invites me to go with her, but I’m studying very (26) ____ at the moment because I want to pass my exams. I usually say no  when she asks me, (27) _______ last night I was tired (28)_______ work so I  went with her to a dance. We had a great time!

1. a. similar b. the same c. alike                            d. different
2. a. old than b. older than c. oldest                    d. the oldest
3. a. in b. at c. on                        d. of
4. a. like b. likes c. is liking              d. are liking
5. a. kind b. reserved c. hard-working     d. helpful
6. a. hard b. hardly c. hard-working     d. busy
7. a. so b. because c. but                              d. and
8. a. by b. with c. of                      d. to