___ there are living creatures in the outer space as those on Earth hasn’t been proved until now.
| A．How | B．When | C．Where | D．Whether |
He was a good student and scored ________ average in most subjects.
| A．below | B．of |
| C．on | D．above |
—Do you often go fishing at weekends?
—Not often，I only go fishing________.
| A．at one time | B．all the time |
| C．at a time | D．from time to time |
Do you think this shirt is too tight ________ the shoulders？ (2012·北京，34)
| A．at | B．on |
| C．to | D．across |
An agreement seems to be impossible because the majority of the committee members are ________ it. (2012·陕西，11)
| A．against | B．for |
| C．to | D．with |
．________all the animals I’ve ever had，these two dogs are the most sensitive to the spoken word. (2012·浙江，6)
| A．From | B．Of |
| C．For | D．With |