135. Whoever spits in public in Beijingwill be fined up to 50 yuan in _______ effort to improve citizens’ behaviorahead of ______ Olympics.

Mrs. Brown is nice. Every day she tries to cook _____ for me during my stay in Canada.

I . today’s newspaper, but I found nothing new.

I am concerned ____ it that I can’t concentrate ____ my work because of headache

Itwas just a ________remark – Iwasn’t really serious