______ that he has no qualifications in business management, Ken plans to gain the necessary skills by taking a part-time course.
As the wood us wet, it won’t ___.
What’s the name of the sport __ you try to get the other person down on the floor.
___ is a good idea to keep quiet about the problem.
You’d better find an English pen friend ___ improve your writing.
There are 2100 students __ all in our school.