Sam likes trekking_______the jungle, becausehe thinks it’s exciting.

I like English, I am good at it.

The reporters ________ surveys on the hot social issues are often attacked by some lawbreakers.[ ]

Have you found your lost mobile phone—-No, I haven’t found _______. I have to buy a new _______.

The pandas are very dear to human beings. So people have been doing they take to save them.