Give the correct form of the verb or the word in brackets

Part 3. Give the correct form of the verb or the word in brackets (2.0ms)
1.The examiner asked me if I (speak)...any foreign languages
2.If we go on littering, the environment (become)...seriously polluted
3.We can save natural resources by (use)......solar energy instead of coal,gas or oil
4.Remember (take off).
... your shoes when you go into the temple

5.Hoa has a lot of friends as she is so (friend)...
6.It was one of the most (danger)...earthquakes in japan
7.He was (disappoint)...because he lost the match
8.Vietnam is interested in saving (nature)...resources