He borrowed my book, but he forgot to return it.

A. I was early enough but I didn't see her.

B. She was late so I couldn’t see her.

C. I wasn't early enough to see her.

D. I am so late that I can't see her.

A. What did you use to do in your free time as a child?

B. What did you use doing in your free time as a child?

C. What do you used to do in your free time when a child?

D. What were you used to do in your free time as a child?

A. We used to write to each other for three years.

B. We have written to each other for three years.

C. We wrote to each other since three years.

D. We used to write to each other in three years.

A. Bob told me he would help me.

B. Bob asked me to help him.

C. Bob said that he would help you.

D. Bob warned me that he would help her.

A. So bad was the traffic yesterday that I arrived at the meeting on time.

B. Because the traffic was bad yesterday, I arrived at the meeting on time.

C. In spite of the traffic was bad yesterday, I arrived at the meeting on time.

D. Despite the bad traffic yesterday, I arrived at the meeting on time.

A. This flat is not enough big for my family.

B. This flat is not big enough for my family.

C. This flat is not very big for my family.

D. This flat is not rather big for my family.