David apologized to me yesterday. __, I won't forgive him for it was not the first time that he had hurt me.
| A．If so | B．If ever | C．Even so | D．Even though |
It is often said thatteachers havevery easy life.
| A．不填；不填 | B．不填；a | C．the; 不填 | D．the; a |
In ____late 19th century, Europe changed ______great deal and was playing important roles in ______international trade.
| A．the; a; the | B．the; the; 不填 | C．the; a; the | D．the; a; 不填 |
People think that ______ opening ceremony of the 29th Olympic Games is _____ great success.
| A．an; a | B．the; a | C．the; the | D．the; / |
— Is Mr. Smith rich?
— Yes, very rich. When he worked in ________town, he earned a lot. Now he has a big farm in ________ country.
| A．at; the | B．/; / | C．/; the | D．the; / |
In science fiction we read of flying saucers travel through _____ space, so people want to have ______ better knowledge of the universe.
| A．the; a | B．/; / | C．the; / | D．/; a |