【单选题】—Where is Joy? —He _____ to the library [ ]
【单选题】以下程序片段,下列哪个选项插人到第2行将引起编译错误? ( ) package mypackage; //第二行 class MyClass{ //do something }
A.
public class MainClass{ }
【判断题】静态零点的电压一定是0V,因为它叫做“零点”。
【单选题】----Is Mary at home? ----No, she_________ the library. She _________ there a moment ago.
【单选题】Amy ____ the school library. She ______ books three times a week.
A.
has gone to; has used to borrow
B.
has been to; used to borrow
C.
has gone to; has been used to borrowing
D.
has been to; is used to borrowing
【单选题】—Is your brother at home? —No. He _______ the library. [ ]