They/ often/ go/ park.

A. I have no difficulty solving this math exercise.

B. This math exercise is difficult enough for me to solve.

C. This math exercise is easy enough for me to solve it.

D. This math exercise isn’t easy enough for me to solve.

A. I avoid walking in the rain.

B. Walking in the rain gives me a lot of pleasure.

C. I often have to walk in the rain.

D. Walking in the rain makes me feel unpleasant.

A. There are a lot of strange stickers in my brother’s collection.

B. My brother has a strange collection of stickers.

C. My brother often asks people for strange stickers to put in his collection.

D. My brother has the strangest stickers I’ve ever seen in his collection.

A. I am used to staying at home alone.

B. I find staying at home alone scary.

C. I don’t like staying at home alone.

D. Staying at home alone causes me no fear.

A. She enjoys to read books.

B. She enjoy reading books.

C. She enjoys reading books.

D. She enjoy to read books.

A. I usually spend two hours to do my homework.

B. Doing my homework needs me two hours.

C. Two hours is the time I need to do my homework.

D. Two hours are enough for me to do my homework.

A. Nga often reads a book before going to bed.

B. Nga often read a book before going to bed.

C. Nga reads a often book before going to bed.

D. Nga often read book before going to bed.