Tiếng anh giúp mình 2 đề này với ạ

I. Choose the best answer to complete these following sentences. 1. We decided not to go out for meal. .we were too tired. A. but 2. My shoes are dirty. I'd better take them.. C. so D. and before I come in. A. aways B. up C. on D. off 3. If you want to save money, you should..the amoun ...