Hoàn thành đoạn văn sau

I began my teaching career nearly ten years old. I spent six years teaching in a remote village (1) ______the villagers were very poor and the living standard was low. Sometimes, I was very disappointed (2) ______bad living condition and low pay. I am really homesick. However, at that time, with my youth enthusiasm, I tried my best to devote myself to the noblest career, that (3) ______ “teaching”. I love my poor little students. They were living in poverty but they could not (4) ______from empty mind.

1. A. there B. where C. which D. when

2. A. in spite of B. because C. because of D. though

3. A. was B. be C. is D. were

4. A. suffer B. bear C. cope D. manage