问题

.—Excuse me,Miss Smith.Couldyou tell me how to improve my spoken English—OK.Thebest way is to practice ________.
A:we hadrealized
B:as quickly as possible
C:asmuch aspossible
D:as clear as possible
B:as quickly as possible
C:asmuch aspossible
D:as clear as possible
正确答案是: