第一节单项填空(共15小题;每小题1分,满分15分)
从A、B、C和D四顿项中,选出可以填入空白处的最{趟项,并在答题卡上将该选项涂黑。
21. -Why not take a short break?
--Didn't
we have _______ just now?
A.
it B. that C. this D.
one
22 . _______, the volunteers for 2010 Shanghai World Expo went back to their universities after
serving visitors all day
long.
A. Anxious and eager B. Hungry and tired
C. Curious and careful D.
Happy and thankful