语法与词汇If nothing is done to protect the environment, millions of species that are alive today will havebecome______.
语法与词汇He ________ three hours in the snow to get back home
语法与词汇In the wife’s eyes, his______to their marriage life is far from perfect.
语法与词汇
We are sorry to inform you that the shipment is not（ ）the standard in the contract.
语法与词汇Please______yourself from smoking and spitting in public places, since the law forbids them.
语法与词汇The introduction of gunpowder gradually made the bow and arrow______, particularly in Western Europe.
语法与词汇His aim is to persuade the country to abandon its nuclear plan or at least to modify it and throw it open to______.
语法与词汇If you’re planning on going sightseeing around the old city, a guide is______.
语法与词汇I know you’ve got a smooth tongue, so don’t talk me______buying it.
语法与词汇Lying here in the sun is a very pleasant way to______the afternoon.
语法与词汇I'm worried about washing that shirt in case it ________.
语法与词汇When Jack was eighteen he ________ going around with a strange set of people and staying out very late
语法与词汇I am cautiously ______ that a new government will be concerned and aware about the environment.
语法与词汇The child has a good ________ memory: she can repeat the stories her mother tells her exactly
语法与词汇Although the model looks good on the surface, it will not bear close______.
语法与词汇It’s time you______some reading or the other students will leave you behind.
语法与词汇AIDS is a global problem that demands a unified, worldwide solution, which is not only the responsibility of nation in which AIDS is most ______.
语法与词汇There is no______evidence that people can control their dreams, at least in experimental situations in alab.
语法与词汇In 1938 Pearl S. Buck became the first American woman______the Nobel Prize for Literature.
语法与词汇The brain is totally dependent on the oxygen______by its blood supply, and brain cells will die if deprived of oxygen for more than a few minutes.