— What do you mean by saying that?
— When I said some students are lazy, I ____ to you.
[     ]
A. don't refer
B. wouldn't refer
C. hadn't referred
D. wasn't referring
During the period of recent terrorist activities, people _____ not to touch and unattended bag.
[     ]
A. had always been warned
B. were always being warned
C. are always warning
D. always warned
The students ______ busily when Miss Brown went to get a book she ______ in the office.
[     ]
A. had written; left
B. were writing; has left
C. had written; had left
D. were writing; had left
Unfortunately when we arrived she _____, so we only had time for a few words.
[     ]
A. just left
B. has just left
C. was just leaving
D. had just left
I'm not sure whether he has finished writing the book, but he ____ it last month.
[     ]
A. worked at
B. was working on
C. worked on
D. was working at
— Why on earth didn't you answer the phone?
— I'm terribly sorry, but the doorbell ____, too.
[     ]
A. is ringing
B. rang
C. was ringing
D. was about to ring
Why weren't you at the meeting?
I _____ for a good friend from America.
[      ]

A. waited
B. was waiting
C. had been waiting
D. had waited

— What's wrong with your coat?
— Just now when I wanted to get off the bus, the man next to me ____ on it.
[     ]
A. sat
B. had sat
C. had been sitting
D. was sitting
I _____ along the street looking for a place to park when the accident _____.

[     ]

A. went; was occurring
B. went; occurred
C. was going; occurred
D. was going; had occurred
短文改错。
     假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。
文中共有10处语言错误，每句中最多有两处。错误涉及一个单词的增加、删除或修改。
增加：在缺词处加一个漏词符号（^），并在其下面写出该加的词。
删除：把多余的词用斜线（\）划掉。
修改：在错的词下划一横线（ ），并在该词下面写出修改后的词。
注意：1. 每处错误及修改均仅限一词；
          2. 只允许修改10处，多者（从第11处起）不计分。
     My sister saw a lovely cup when we are shopping the other day. She liked it at once. Then she bent
down and picked up to look at a price on it. As she did this, lots of tea splashed on his T-shirt! I had to
try hardly not to laugh at her shocked face! My sister wanted get out of the shop as fast as she could
when a shop assistant came over to us. It was turned out to be her own cup, that she'd left on the shelf
by mistake. The assistant was clearly as embarrassing as my sister, for I just thought it was funny!
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