She can’t help ____ the house because she’s busy making a cake.A cleaningB. to cleanC. cleanedD. being cleaned
22.In general, the old man is generous. But ____, he was mean to an old beggar.
21.____ in her finest skirt, the girl tried to make herself ____ at the party.
20.—I’m looking for a house. I’d like ____ with a big garden. —Yes, madam. We have several of this kind.
19.The prices of goods kept ____. We had to cut the expenses in order to meet our daily needs.
18.Seldom ____ him recently, for you see I’m preparing for the project.