Sarah pretended to be cheerful, ______ nothing about the argument.
| A．says |
| B．said |
| C．to say |
| D．saying |
28. The hearings and comments often help managers avoid harmful decisions, leading them toward more _______ choices.
| A．useful | B．beneficial | C．important | D．influential |
27. The new teacher was very quick to _________ the rules of the school
| A．adapt to | B．addict to | C．concentrate on | D．depend on |
26. _____ about what he had done, the shy boy ran away as fast as possible.
| A．Having embarrassed | B．Embarrassing | C．To embarrass | D．Embarrassed |
25.Finnish President said Finland-China relations had progressed ___ with fruitful cooperation in new and high-tech fields.
| A．peacefully | B．highly | C．quietly | D．smoothly |
24. What way are you thinking of ___ rid of this kind of pollution?
| A．to get | B．get | C．getting | D．Got |