Whose shirt is this Is it Tom’s —No, it isn’t, ______ is white.

ma paid a visit to China in November, 2009,_______, needless to say, must strengthen the Sino-US ties

The main issue at the APEC meeting was a climate-change plan _____ by Australia’s Howard and backed by Bush. [ ]

Keep trying; it will help you ______ your dream of becoming a doctor.

ey were all tired, but _____ of themwould stop to take a rest.