问题
选择题
—What’s up? You look down. —I have piles of papers ________, but I type so slowly.
A.to be typed
B.typed
C.to type
D.being typed
答案
答案:C
—What’s up? You look down. —I have piles of papers ________, but I type so slowly.
A.to be typed
B.typed
C.to type
D.being typed
答案:C