问题

Tony, you look puzzledHave you understood me ? —- I’m sorryI _____ another problem just now

A:thought of
B:am thinking of
C:had thought of
D:was thinking of

正确答案是：

同类题型

I like reading with my roommates in the library ______ in the classroom.

．We mthe day after tomorrow.

It is said that Mr. White will have to stay in hospital for a good while.—Don’t worry. His son, Henry, will________ his duties.

Chairman Xi Jinping announced that we’d do what we could ______our Chinese dream.—That means we Chinese should try our best to work harder from now on.

Looking back on the three – year life in the mountain village, Thomas it as a milestone in his personal development