A true friend is a person______reaches for your hand and touches your heart．（ ）
| A． |
whom |
B． |
whose |
C． |
who |
D． |
which |
﹣﹣﹣What a great thing to have a robot at home!
﹣﹣﹣Robots are really useful．One day they will help people do almost﹣﹣﹣﹣﹣﹣﹣．（ ）
A．somethingB．everythingC．nothing
﹣﹣﹣The milk shake tastes good．How do you make it？
﹣﹣﹣It's easy，just follow the______．（ ）
A．discussionsB．instructions
C．resolutions
﹣﹣Do you know zongzi in traditional in China，Li Ping？
﹣﹣Usually during the Dragon Boat Festival．（ ）
A．why people makeB．when people eat
C．where people buy
If all business goes paperless，at least one million tons of paper a year．（ ）
A．are savingB．will be saved
C．were saved
﹣I'm feeling much better．Must I go on taking the medicine，doctor？
﹣No，you________．You'll get well soon．（ ）
A．can'tB．mustn'tC．needn't