A White House plane ________ Beijing on March 19, 2014 and US First Lady Michelle Obama started her ________ visit to China.
Is this school ______ they visited the other day?
The students are ______ to hand in the exercises before class.
How pleased the emperor was _____ what the cheat said!
Whom would you rather have _____ with you?
Has everything _____ can be done ______?