【C3】A．has toB．hasC．able toD．will

I am sure David will be able to find the library because he has a pretty good ______ of di

A．toB．thatC．as toD．as that

A．fly toB．jump onC．dive toD．crawl on

I （) waste time when I was studying.A、was used toB、used toC、will use toD、use to

I am _____ go and nothing will stop me.A、determine toB、determining toC、determined toD、de

A．come toB．bring toC．tend toD．stand to