This is _____ best kind of _____ pen you can get here.
Jenny used to be afraid ________ in class, so she always ________nothing.
________conversations with others is one of the secrets to ________a successful learner.
________ careful you are, ________mistakes you’ll make.
— I haven’t got a partner _________.— Maybe you can ask John for help.
When you come across new words in reading, it is not a good idea to_______ in a dictionary at once.