单项填空
1. The police always take advantage of dogs’ ____ sense of smell to search for something.
A. sensitive B. sharp C. practical D. tremendous
2. Jack, it’s ________ bad manners to blow your nose at ______ table.
A. the; a B. the; / C. /; the D. /; /
3. ________ people may refer to television for up-to-the-minute news, it is unlikely that
television _______ the newspaper completely.
A. When; replaces B. Although; has replaced
C. What; is to replace D. While; will replace
