Qingdao is a beautiful city that lies in east of China． （ ）
A．anB．/C．theD．a
I saw Bob in the garden.He flowers there. （ ）
A．watersB．has watered
C．is wateringD．was watering
I love to listen to rock music I am running.（ ）
A．whileB．afterC．sinceD．until
Please be polite and offer your seat to people who need it.（ ）
A．neverB．seldomC．sometimesD．always
This isn't my dictionary. is over there，on the desk.（ ）
A．HisB．MineC．HersD．Yours
I eat rice beef and potatoes.It's delicious.（ ）
A．inB．onC．withD．for