阅读理解。

1. We can know that Ting ting and Lingling are _______.

A. sisters        

B. classmates

C. friends

2. Tingting goes to London to _______.

A. visit               

B. work

C. study

3. The word "delicious" in the last Para means "_______".

A. terrible

B. nice

C. bad

4. The weather is _______ in London.

A. warm and humid  

B. rainy and hot

C. cold and humid