China Business Daily reported the 60% discounts on some Beijing-shanghai flights have now slipped back to 20% _______ one day in advance.
–Would you permit me ______here? - Sorry, we don’t permit _____ here in the reading room.
I remember the whole thing _____ it happened yesterday.
Our experiment had got into _____trouble, so we decided to take _____ chance and add more water, and luckily, we succeeded.
–Would you mind us asking you a few questions? –_______.
—Mother, can I turn on TV and watch the news? —Of course, __________.