.As is known to all,____ tiger is in____ danger of dying out.
| A．a; a | B．the; / | C．a; / | D．the; the |
Your story is perfect; I’ve never heard _______ before.
| A．the better one | B．the best one | C．a better one | D．a good one |
John is the tallest boy in the class, _______ according to himself.
| A．five foot eight as tall as | B．as tall as five foot eight |
| C．as five foot eight tall as | D．as tall five foot eight as |
If it is quite _______ to you, I will visit you next Tuesday.
| A．convenient | B．fair | C．easy | D．comfortable |
Bob ran the 100 meters in 9.91 seconds, and I have not seen _________ this year.
| A．the best | B．better | C．the most | D．more |
My mother always gets a bit _________ if we don’t arrive when we say we will.
| A．anxious | B．ashamed | C．weak | D．patient |