Su Hai went for a walk in the park_______Sunday morning.
–Have you heard of the big fire last night? --Yes. The firemen struggled against it for about 35 minutes and _______ the fire at last.
The students all looked ______ at me when I told them that they would have one more day off.
–Is the modern racing car outside ______, Lucia? --Of course not. Nobody but Jim can afford such an expensive car. It must belong to ______.
–How can I improve my study in the last thirty days? --________ listening to the teacher carefully in class. This is the most efficient way!
To do some voluntary work for the 2nd Youth Olympic Games is ______ excellent chance for us to serve our hometown—Nanjing.