My mother is ill in hospital．I have to ______ my grandparents at home．（ ）
| A． |
look for |
B． |
look at |
C． |
look up |
D． |
look after |
President Xi said that people in the world should build a community ________ a shared future．（ ）
A．toB．atC．withD．from
______ do you plan to buy？
I haven't made up my mind． I'll just look around．（ ）
A．whoB．HowC．whyD．What
Please give me some ______ on how to spend the coming weekend．（ ）
A．spaceB．adviceC．praiseD．courage
We should protect the earth because it is ______ home．（ ）
A．weB．usC．ourD．ours
Work hard， _______ you'll have a big success．（ ）
A．orB．butC．andD．yet