British people usually shake hands the first time      meet.

下列表示重量单位的是______.

— Which of the shirts do you like better?— I’ll take _______. They are very fashionable and cheap.

—Don't be angry with your kid when he makes a mistake again, will you? —No. I won't. I know that ______of us are perfect after all.

Do you think        necessary to do a bird count ?Yes , we must count them at least once a year