Over 20 countries joined to search _________ Flight MH370 in the southern Indian Ocean.

Only a small number of students able to pass the exam.—Yes．The number of the students no more than 20.

Thank you so much! But for your text message, I ___________ home without my ID card this morning.

Journalists have to work very quickly in order to_______. — I know. I like that. It’s very challenging.

“Not all of the snakes were dangerous” this means _________