Your smile puts me at ______（舒适）when I feel upset.

We can ______（战胜）any difficulty if we are determined.

Jackson was ______（可能）to have died before he was rushed to the hospital.

The park in Japan is ______（模仿）after everything in Holland.

Some of the animals that______（存在）in the past are extinct now.

Li Ming, ______（代表）our school, took part in the competition.

The proof is not ______（令人信服的）; people don’t believe UFO.

I am not as lucky as you. On the ______（相反），I failed in the exam.

It is a scientists’ job to ______（寻求）the truth about the Big Bang of the universe.