I'm tired out. Iall afternoon and -考呗网题库移动版

单选题 I'm tired out. Iall afternoon and I don't seem to have finished anything.

A． shopped
B． have shopped
C． had shopped
D． have been shopping

参考答案D

解析:【答案】D。解析：根据all afternoon，可知本题表示持续性动作或者状态，故用进行时，因此选D，表示过去已经开始且持续到现在并有一定影响的动作。

单选题 Let's learn to use the problem we are facinga stepping-stone to future success.

A． to
B． for
C． as
D． by

单选题 The issue is how toof radioactive waste.

A． deal
B． dispose
C． disposal
D． do

单选题 Cindy shut the door heavily and burst into tears. No one in the office knewshe was so angry.

A． where
B． whether
C． that
D． why