smell is important part of attraction.
| A． /, the | B．The, an | C．/, / | D．/, an |
28．---How did the interview go?
---Quiet well. Not so smoothly as I expected,________.
| A．instead | B．either | C．though | D．as well |
27．---Mary, you didn’t show up at the meeting last week?
---No, I________, but my son had a sudden fever and I had to stay at home to take care of him.
| A．didn’t | B．was going to | C．had to | D．wouldn’t |
26．Newly-developed materials for spaceships can______extreme weather conditions.
| A．hold | B．support | C．stand | D．carry |
25．James Williams is my favorite professor; his speech is always brief, clear and_____the point.
| A．to | B．on | C．at | D．Of |
24．The first time I met David in the Central Park, both of us felt that we_____each other for ages.
| A．knew | B．have known | C．had known | D．Know |