---- It is generally believed that teaching is __________it is a science.
| A．an art much as | B．much as an art as |
| C．as an art much as | D．as much an art as |
Life is hard at present. Hardly by some price or other going up.
| A．a day goes; with | B．a day goes; without |
| C． does any day go; with | D．does any day go; without |
The advantage human beings have to the sun is worth discussing.
| A．take of | B．play with | C．have on | D．do with |
—How long in Shanghai？
—Just the weekend. I've to be back for an important meeting to be held next Monday.
| A．have you stayed | B．are you staying |
| C．did you stay | D．do you stay |
—I wonder why Sara looks worried today.
—I'm not sure，but she a small accident driving here.
| A．could have | B．might have |
| C．might have had | D．must have had |
—It’s reported that over 1billion people watched the live opening ceremony of___ 2010 South Africa World Cup on TV.
—Yes, news came as____ shock to me.
| A．the; the | B．x; a | C．the; a | D．a; the |