Little ________ about his own safety, though he was in great danger himself.

.— What do you think our guests ___________ be doing at the moment? — They must be enjoying themselves at the party.

Another two months will be needed before the bridge _______.

It was not until 2010, _______his son took over the company, _______ the crisis was dealt with.

_______ sweet music!–And I really like the Voice of China TV programs.