Son Doong Cave is the largest cave in the world ____ in Phong Nha - Ke Bang National Park. A. which discovered B. discovering C. to discover D. to be discovered

Rewrite the following sentences using present participle, past participle or to-infinitive. Do you know the man who is talking to my father?

English has an alphabet that consists of 26 letters.

Rewrite the following sentences using present participle, past participle or to-infinitive. 1. Maxicorp were the only company which replied my letter.

The man who is talking to John is from Korea.

The ancient houses ____ by the fire are now under reconstruction. A. to destroy B. destroying C. destroyed D. destroy

George is the first person that we will interview.

The captain was the last ____ the sinking ship. A. to leave B. that leaving C. left D. whom to leave

The trees which were planted last week are growing well.

Hoi An Ancient Town is preserved in a remarkably ____ state. A. damaged B. unspoiled C. intact D. unharmed

The Complex of Hue Monuments was the first site in Vietnam ____ as a World Heritage Site by UNESCO. A. to be recognized B. be recognizing C. recognizes D. recognize

Who were those people ____ outside? A. waited B. to wait C. who waiting D. waiting

Melanie was the only person ____ a letter of thanks. A. wrote B. written C. to write D. writing