Điền vào chỗ trống

Điền vào chỗ trống :

2)You can______   about the history of the city by walking along the 
Freedong Trail.
1.exercise  2.teach  3.work  4.learn
3) Boston is also ________ for its many art museums .
1.excited 2.exciting 3. famous 4. interesting
4)Spring and fall are the best times to_______Boston.
1.go           2. visit    3.stay    4. study
5) However, hotels can ______ expensive in May and Septemper .
1. be         2. is        3. been    4. are
6)Boston is a place you should visit if you ______ to the USA .
1. learn    2. stay      3. love          4. travel