_____many times, they succeeded _________ the experiment.
| A．Having tried; in doing | B．Tried; in being done |
| C．Having tried; to do | D．Tried; doing |
It is ________ world of wonders, ________ world where anything can happen
| A．a; the | B．a; a | C．the; a | D．/; / |
The Wilsons live in ______ A-shape house near the coast It is ________ th century cottage
| A．the…/ | B．an…the | C．/…the | D．an…a |
Poverty depresses most people, but in ________ case of my father it was otherwise
| A．/ | B．a | C．the | D．one |
The sign reads, “In case of ________ fire, break ________ glass and push ________ red button
| A．/;a;a | B．/;the;the | C．the;the;the | D．a;a;a |
________ s(S)ervice is the key to ________ success of ________ restaurant
| A．/, the, a | B．/, a, the | C．/, /, a | D．/, /, the |
E) /, a, / F) /, the, / G) The, the, a H) The, a, the
I) The, /, a J) The, /, the K) The, a, / L) The, the, /