.There are over 58,000 rocky objects in__________ space,about 900 of which could fall down onto earth.
Jiaxing is such a beautiful city that it is well worth __________.
You can't imagine the difficulty he __________ into the cold river and saving the drowning girl.
Lydia doesn't feel like __________ abroad. Her parents are old.
—Your daughter is in her thirties. I can't understand __________ married again and again. —Now she is at the peak of her career. Work means more to her than anything else.
—I take exercise for about an hour every morning. —No wonder you look __________.