We tried ________ the window, but it was still hot in the room.
| A．to open | B．opening | C．open | D．opened |
Failure to face up to painful experience can be ________ form of stress itself, and can increase ________ possibility of illness.
| A．the; / | B．a; a |
| C．a; the | D．/; the |
In________ most countries, a university degree can give you ________ flying start in life.
| A．the; a | B．the; / |
| C．/；/ | D．/; a |
This area experienced ________ heaviest rainfall in ________ month of May.
| A．不填； a | B．a ; the |
| C．the ; the | D．the ; a |
—What about ________ conference you attended last week?
—To tell the truth, it was too boring, you know, ________ conference like that.
| A．a; the | B．the; / |
| C．the; a | D．the; the |
In ________ early 1990's, as ________ gesture of appreciation, the library was named after the businessman who donated most of the money with which to build it.
| A．the; a | B．the; the |
| C．/; the | D．an; / |