问题

What’s the __________of China—More than 1.3 billion.
A:was studying
B:am studying
C:studied
D:were studying;
B:am studying
C:studied
D:were studying;
正确答案是:
同类题型
Although faced with stress from constant exams, she lost ______ of her enthusiasm for study.
.—What else did the teacher say —He advised us______ in the wetlands.
Have I filled out the application correctly, Mr. Smith —Well, you one question here.
So absorbed _____ in the experiment that he didn’t even notice it was already over 12 o’clock.