I like getting up very early in summer. The morning air is so good ____.
| A．to be breathed | B．to breathe | C．breathing | D．being breathed |
Is it a wonder that ____little cells can store much energy?
| A．so; so | B．so; such | C．such; such | D．such; so |
As a senior high student, you should your energy on how to master the skills of learning.
| A．impress | B．spend | C．concentrate | D．use |
— May I help you?
— Yes, I'd like to try on some sports jackets just likeI'm wearing.
| A．it | B．one | C．the one | D．that |
I wonder how it ____ that Chinese climbers successfully finished the torch relay on the Mount Qomolangma, where the air is so thin.
| A．came out | B．came about | C．came over | D．came across |
---Where did you save the drowning girl, ________ parents were both professors?
---It was from the lake ______ she often went fishing.
| A．who; that | B．whose; that | C．whom; where | D．whose; where |