---Tell me something about your adventure in the rainforest, please.

---We lost our way in the forest and ___ made matters worse was ___ night began to fall.

A．what; that

B．it; that

C．it; because

D．what; because

单句改错（共5小题，每小题1分，共 5分。每句只能改一处,在原句中直接改正）

小题1:Air hostesses all smile when they serve for the passengers.

小题2:No one matches him when it comes to swim.

小题3:A poor nourished body needs more energy to combat disease.

小题4:Foreigners always associate China to the Great Wall.

小题5:Not until then he realize the importance of the problem.