The monkey suddenly emerged ________ the tree, frightening Lucy into screaming.
28.After driving for five hours, they arrived at_______they thought was the place th ey had been dreaming of.
27.If you had worked hard, you ______ so anxious now.
26.______ I'm willing to help, I do not have much time available.
25.The rise of oil prices made scientists search for new energy resources ______ oil.
24.You didn't believe John won the first prize at the speech competition, ______?