一．单项选择：（20分,每小题1分）
1. There is ________ wrong with his eyes. He can’t see things clearly.
A. something B. anything C. nothing D.everything
2. ---______ was your vacation? --- It _____ exciting.
A. How; were B.What; were C. How; was D. D.What; was
3. I don’t want to go to the museum, it’s too_______.
A. relaxing B. boring C. bored D. beautiful
4. I didn’t go to the mountains ______the bad weather.
A. so B. because of C. because D. but
