---You keep on coughing. What’s the matter?---Oh, I’ve got a cold. Nothing serious, _______.
(2013·西安模拟)The man we followed suddenly stopped and looked as if whether he was going in the right direction.
Not until I completed the form that half questions were not relevant to me.
about this computer program, a huge amount of time and energy .
Hearing the bell ringing, out .
—Can I smoke here? —No, at no time in the library.