小王等着要这本书呢,______。
A.得先把这本书还给他明天
B.把这本书先还给他明天得
C.明天得还给他先把这本书
D.明天得先把这本书还给他
参考答案:D
He tried many times to sneak across the border to a neighboring country,() caught each time.
A. having been
B. only to be
C. always being
D. unfortunately
电能计量装置综合误差包括哪几部分?