If you want to study the nature of the universe, first of all, you must be clear about its ________.
The boy promised______ in the exam any more.
-----You don’t look______. Are you ill? -----No, I’m just_______ tired.
My parents don’t allow_____ time_____ nothing.
Mr Smith doesn’t believe that his daughter can work out the problem that easily,_____?
It is said that Tom hasn’t passed the driving test, but, ______ he is a little too young.