.I ____ ping-pong quite well, but I haven’t had time to play since the new year.
| A.will play | B.have played | 
| C.played | D.play | 
She is one of the few girls who _____ in the kindergarten.
| A.is well paid | B.are well paid | C.is paying well | D.are paying well | 
Every means _____ prevent the water from _____.
| A.are used to; polluting | B.will be used to; polluting | 
| C.is used to; polluted | D.is used to; being polluted | 
Not only I but also Jane and Mary ____ tired of having one examination after another.
| A.is | B.are | C.am | D.be | 
Nobody but us _____ the secret.
| A.know | B.knows | C.have known | D.is known | 
_____ of the land in that district _______ covered with trees and grass.
| A.Two fifth; is | B.Two fifth; are | C.Two fifths; is | D.Two fifths; are |