It is generally believed that teaching is ________ it is a science.
| A．an art much as | B．much an art as |
| C．as an art much as | D．as much an art as |
I don’t think ___ possible to travel around the world without any modern equipment．
| A．this | B．that |
| C．its | D．it |
I have a ______ to talk too much when I’m nervous．
| A．meditation | B．tendency |
| C．reckon | D．expedition |
There was never any time for Kate to feel lonely, _____ she was an only child．
| A．even though | B．ever since |
| C．even as | D．now that |
It was clear that he was ______ the people he owed money to．
| A．at the expense of | B．at the risk of |
| C．at the mercy of | D．in the way of |
–I have tried very hard to find a solution to the problem, but in vain．
–Why not consult with Frank? You see, _______________．
| A．great minds think alike |
| B．two heads are better than one |
| C．a bird in the hand is worth two in the bush |
| D．it’s better to think twice before doing something |