I wrote a letter to John for his help during my high school years. without which Ithe college entrance exam.

yWho willgive lecture—MrWang, famous professor from NanjingUniversity.

The soldier was ________ of running away when the enemy attacked.[ ]

ing to therecord reports, one of the rare animals, ______ crocodile, is in ______ dangerof dying out.

Let’s go to Hainan on vacation. -Oh, no. I have to Hainan several times.