Shenzhou-VIII has docked with Tiangong-I successfully, _____ the start of the establishment of China's own space station.
He tried his best to solve the problem, ______ difficult it was.
–David, it’s Frank. Do you have a few minutes? I need to see you. -- _______. But I hope “a few minutes” doesn’t turn into an hour.
The novel is said _______ the month before.
I kept looking at the man, wondering _______.
I got caught in the rain and my suit _______.