【单选题】
You must have stayed up late last night, _____?
【单选题】
Mr. Milton prefers to resign ____ part in such dishonest business deals.
【单选题】
We went on a(n) ____ to the mountain yesterday.
【单选题】
If your new coat is too large, a tailor can____ it to fit you.
【单选题】
Many automobile accidents were ____ careless driving.
【单选题】
To obtain a satisfactory result, one must apply
two ____ of paint on a clean surface.
【单选题】
No one would have time to read or listen to an account of everything ____going on in the world.
【单选题】
They have done things they ought_____.
【单选题】
____ native to North America, corn has now spread all over the world.
【单选题】
Bit by bit, a child makes the necessary changes to make his language ____.