They had all children well looked after ____ their parents relieved(放心)
Mr. Andrew taught his students how to develop the basic skills in the physics class, ______ everything through jokes and experiments.
Mr. Bryan is a/an _______ secretary in our office, for he is able to do tasks successfully, without wasting time or energy.
There was enough evidence to prove that the explosion in Robinson’s house _______ the leak of natural gas.
The Browns have six children altogether. It is obvious that ________ little money the present job brings Mr. Brown can hardly support so large ________family like that.
________, I believe, and you will find that he is very outgoing.