Choose the best answer

 Choose the best answer:

1. Mary is _________ engineer. She works for ________ big company.
A. an/a         B. a/a     C. an/an        D. Ø/the
2. This morning I bought ___________ newspaper and __________ magazine.
A. a/the     B. the/a             C. the/the                 D. a/a
3. She plays __________ guitar very well. She is an accomplished guitarist.
A. a                  B. an            C. the             D. Ø
4. The cinema changed completely at ___________ end of ___________ 1920s.
A. an/the           B. the/the           C. an/a                 D. the/a
5. _________ January is __________ first month of the year.
A. The/Ø    B. Ø/ Ø    C. The/the        D. Ø/the
6. We live in ___________ small house. It is ___________ most beautiful house.
A.  a/the        B. the/a    C.  an/the         D. the/an 
7. Look outside. __________ sky is getting dark. I hope there isn’t going to be a storm
A. a    B. The    C. Ø         D. An
8. This morning, I found ___________ old book in my room. _________ book is about wildlife.
A. an/The    B. a/An    C. the/The        D. a/The
9. Everyone knows what is happening to  _________ Earth but  we just do not know how to stop it.     
A. an    B. a    C. the        D. Ø
10. ________ breakfast is ________ first meal of the day.
A. Ø/the    B. the/the    C. a/the        D. Ø/a
( Nếu đc giải thích dùm mik luôn nha 
còn ko thì khỏi ) cảm ơn nhiều nha.