---- There’s coffee and tea; you can have _____.---- Thanks.
—Bob! How is your project? I heard you started it last Friday, right?—Oh! I_______ for it. But I haven’t decided when to do it.
Culture shock is a feeling____ most travellers experience in a foreign country____ they find the culture is quite different from that of their own.
A low-carbon lifestyle is of great benefit to improve_____ world environment. Nothing can be enjoyed from it until you have____ deep understanding of it, though.
Johnson bought a new car last week, and _______ doubled that of the old one.
I shall never forget those days ________ I stayed on the island ________ you visited last week.