---May I try on this green skirt?---______, but I’m afraid the color is not quite suitable for you.
—I heard Charlotte had been drowned in the lake.—Really!Her boat turned______,and ______she couldn’t swim.
Despite his great efforts,he ______unsuccessfully after all.
—How______do you attend the evening classes?—______,three times per week.
When they had finished playing,the children were made to ______ all the toys they had taken out.
A sudden blizzard occurred in Beijing last night,______great inconvenience in transport.