—Jack is doing nothing at all but study Chinese.—As far as I know, he is ___________ to study abroad, perhaps China.
They have been waiting for many hours to see the singer, but the airplane must have been _____.
Today, housework has been made much easier by electrical _____.
Pack the cake in a strong box, or it might get _____ in the post.
. Professor Smith and Professor Brown will _____ in giving the class lectures.
In a typhoon, winds _____ a speed greater than 120 kilometers per hour.