问题 现在完成时含义辨析

...nt which, even though if failed to get rid of the ants, kept me fascinated for twenty-four hours. I bound the base of the tree with sticky tape, making it impossible for the ants to reach the aphids. The tape was so stick that they did not dare to cross it. For a long time. I watched them scurrying ...

问题 in search of与in search for

老师说，英语习惯上说in search of，不能说in search for。但in search for不是一个很常用的词组吗？英语真不能说in search for吗？

话题 request is for

话题 provide sth for

话题 with for to

话题 for all的理解

话题 for加时间段

话题 be fit for

话题 be equipped for

话题 Go for it

话题 Go for it !

话题 be beneficial for

话题 be scheduled for

话题 be responsible for

话题 for further study