If one wants to succeed in this society, it is very important and necessary that one ______his ______ and avoid one’s weaknesses.
The little boy, out of curiosity, _______ the toy to see how it worked, but couldn’t put it together.
–Do you need any help, Lucy? --Yes. The job is I could do myself.
These flowers should not be watered too ______, once _____.
It is said that the software on learning subjects for pupils in a very practical way.
Our neighbor has ______ ours.