— I'm leaving tomorrow.— Oh, what a pity! I won't be able to see you off. I __ a tele-conference the whole morning.
The old couple often take a walk after supper in the park with their pet dog __________ them.
Strong typhoons hit the area very __________. Normally, they form and come here between July and August every year.
Lots of rescue workers were working around the clock,__________ supplies to Yushu, Qinghai Province after the earthquake.
I tried phoning her office, but I couldn't __________.
I don't think these issues are __________ discussing with the ministers.