1. The boat will not arrive ___ forty-four hours. A. in B. at C. for D. by 2. In winter, animals have a hard time ___ anything to eat. A. to find B. to finding C. to find out D. finding 3. Since you won’t take advice, there is no ___ in asking for it. A. place B. point C. reason D. way 4. ___ is known to all, too much smoking will cause lung cancer. A. That B. It C. As D. What 5. They have developed techniques which are ___ to those used in most factories. A. more B. better C. greater D. superior |