_____ they are fit I see no reason why they shouldn’t go on playing for another four or five years.

All male guests at this restaurant are respectfully requested that they are put on coat and tie.

Many students agreed to come, but some students against because they said they don’t have time.

The similarity between the English consonants/p/，/b/and/m/is that they are all_________

They should take care of（锚）_____to ensure that they are in normal condition.

The goal, which they are unlikely to live to see , is tocure, prevent or manage all diseasesin the next 80or so years.

Above all, they want to study a ______ question: Are humans actually aware of the world they live in?

They are（）students that they all performed well in the nationwide examinations.

They should （）care of anchors to ensure that they are in normal condition.

They should take care of（锚）（）to ensure that they are in normal condition.

In the USA children start school when they are five years old． In some states they must stay in school (11) they are sixteen． Most students are seventeen or eighteen years old when they (12) school． There are two kinds of schools in the United States: public schools and pri-cate(私立)schools．(13)children go to public schools． Their parents do not have to(14)their education because the schools (15) money from the government． If a child goes to a private school，his parents have to get enough money for his schooling ． Some parents still (16) private schools，though they are much more expensive．Today about half of the high school students(17) unwersities after they finish the secondary school． A student at a state university does not have to pay very much if his parents (18 in that state． But many students(19) while they are studying at universities．In this way they (20)good working habits and live by their own hands．( )11．

Mariners are reminded that they should proceed in the general direction indicated by the arrows or，if（）a lane，they should do so as nearly as practicable at right angles to it.