_______ you are busy now, let’s go next time, OK

______ more，and you will improve your spoken English．

opinion,_____ shouldn’t be any doubtthat China will become one of the most powerful countries in the near future

One of the advantages with the new tool is that it is users ____ Users can handle it with less effort and more convenience[ ]

Frank put the mediocre in the top drawer to make sure it would not be _____ to the kids. [ ]