---- What has made him look like lacking sleep?----- _____ his wife is ill and he has to get up several times a night to attend to her.
The patient suffering from cancer looked dead but the faint pulse proved that he was still________.
The continuous rain ______ the harvesting of the wheat crop by two weeks.
In 1989, a(n) _______law was passed by the United Nations to stop people putting waste into sea.
Whenever a big company ______ a small one, the product almost always gets worse.
In the low latitude area, it is usually very _____ all the year around.