24. After ______ seemed a long time, Mr. Li stood up and broke the silence.
I've visited a lot of different places and stayed in lots of different hotels, but none of them___________ this one.
—Look at these tracks.It __________ be a wolf.—It needn't be.It be a fox.
Travelers_______________ that they should bring their ID cards with them.
O'Neal works hard.He is often seen _______ heavily before his teammates have even arrived at practice.
—Our holiday cost a lot of money. —Did it? Well ,that doesn't matter____________ you enjoyed yourselves.