The flowers_______sweet in the botanicalgarden attract the visitors to the beauty of nature. (2004上海)

This kind of CD-ROM is very popular. Why notbuy one before it________

I am sorry I can’t help you ________ your maths.—Thank you all the same. I can ask Millie ___________ help.

Our government has tried various channels to raise and _________social security funds.

______ I met him, I always think of the thing that happened between us