All the organizations involved have sent urgent ______ to government, asking for extra funding.
A party was held __________the heroes who had helped saved thousands and thousands of lives in the big earthquake in Sichuan.
.It will at least take five months to repair the ship that was seriously __________by the hurricane.
You have to keep on learning if you want to keep __________with the development of modern science and technology.
We have to __________a time to discuss the matter again.
—Why haven’t you bought any butter?—I __________to but I forgot about it.