His story of the accident does not make any ．He is telling a lie．
| A．difference | B．sense | C．excuse | D．point |
What makes the space shuttle _____ is that it takes off like a rocket but lands like an airplane.
| A．exceptional | B．strange | C．unique | D．rare |
No one imagined that the apparently _____ businessman was really a criminal.
| A．respectful | B．respectable | C．respective | D．respected |
Mary had taken _____ to see that her guests had everything that they could possibly want.
| A．efforts | B．pains | C．attempts | D．try |
Jack almost fell off the cliff, but managed to _____ until help came.
| A．keep on | B．catch on | C．count on | D．hang on |
Don't _____ the news to the public until we give you the go-ahead (许可，准许).
| A．release | B．print | C．relieve | D．publish |