【简答题】John wants to book a flight to ________ for himself. There are three classes on the plan, the first class, the ____ class, and the economy class. John takes the __________ class. The fare of one-w...
【简答题】阅读短文,判断下列句子是否符合短文意思。符合的写T,不符合的写F。 John wants to borrow a book from the library. He comes to the library with his classmates. They can't see any assistant in it, but only some robots standing there. He...