He has a part - time job and was paid___________.
_______ apple four hundred years ago led to the law of gravity while _______ apple designed by Steve Jobs has changed our life greatly.
One more month,______these baby birds will fly out of their nest.
—Excuse me, could you tell me the way to the British Museum?—Sorry, I’m a stranger here.—_______.
—Shall we go to see the snow sculptures (雕塑)?—______.
Many English learners find that ______ pronunciation helps them improve a lot.