Please make my excuse at tomorrow's meeting. I've got too much work _____.
| A．to do to come | B．doing coming | C．to do coming | D．doing to come |
31. Attention must be paid to ______ science and technology..
| A．develop | B．developing | C．development | D．Developed |
30. When I first set _____ in Germany, I had no idea what the future may have ____ for me.
| A．feet; in store | B．my feet; in store | C．feet; in the store | D．foot; in store |
29. Heat capacity is the amount of energy it takes __________the temperature of a substance one degree centigrade.
| A．raising | B．rising | C．to raise | D．to rise |
28. This is the road ________ the mountain.
| A．lead to | B．leading to | C．led to | D．leads to |
27. The photo _______ me of my happy childhood.
| A．recalled | B．called | C．remembered | D．Reminded |