—Could you do me a favor to carry a big shelf,please? —______________.A With pleasure B It’s my pleasure C I can’t agree more D Yes,I could
92. The international police has come into existence and they were ____ the key to global security.
91. She likes to keep things rather than throw them ____ .
90. ____ the work was very difficult, they managed to finish it in time.
89. The task is hard, ____, the workers managed to finish it in time.
88. My old school friend comes to see me now and then. The underlined part means ____.