What do you need now, Mom—_______ onion and ______ potato.

With the opening of the Qinghai-Tibet Railway, more and more people have chosen to travel Tibet, because it hasa(n) _____natural landscape. [ ]

Joe has always thought of himself as a good journalist and never fails to ______ everyone of it.

We must try _____ people _____ the animals in danger.

Most of the evidence was destroyed in the fire _____, it would be almost impossible to prove Jim guilty