As you ______ new words in context, it is a very good method for you to guess their meanings.
I couldn’t do my homework with all that noise .
Your hand is dirty. It needs ____________.
After the new equipment was introduced, they produced ______machines this year as the year before.
Can you make sure_______ the gold ring?
There’s only ten minutes to go. We can’t wait any more---- ______, we should start at once.