—Hi, Li Xiaoxia. What a surprise! Dad _____ you _______ so early. He’s upstairs reading. I’ll just call him.
The two things _______they felt very proud were Jim’s gold watch and Della’s hair.
According to the survey, two thirds of the area__________covered by trees now and 90% of the population__________contributions to the Greening Project in the city.
He asked me__________with me.
It is time for class. Will you please get the blackboard__________?
This is the biggest lab__________we have ever built in our university.