27.How long do you think it will be________China becomes a rich and harmonious country?
A.before | B.after | C.since | D.When |
The chief editor expressed his doubt _______senior people would enjoy reading such magazines .
A.which | B.how | C.whether | D.that |
As your instructor advised ,you ought to spend your time on something ______researching into .
A.precious | B.worth | C.worthy | D.valuable |
Fancy Williams not ______the answer to such an easy question !
A.know | B.to know | C.knowing | D.knew |
______letting go of a god chance like that ,the silly girl .!
A.Fancy | B.Suspect | C.Suppose | D.Wonder |
Thes chemical ,_______to kill biological organisms ,are unsafe and oten not specific in their targets .
A.having designed | B.to design | C.designing | D.designed |