I’ve been coughing like this for several days. –I’m sorry _you’re not well.
You’ll find _____ to use the computer. Even the elderly can learn it all by themselves.
Polar explorers have to be extremely______ to bear the climate and other hardships.
Can you make a kite for me?— Sorry, I _____.
These days all China is worried about the plane of MH370.—Yes. All the world wants to know________________.