I didn’t quite follow him because he explained the theory _____that is too abstract for me.
The fact that she can't talk makes ________ difficult for her to communicate with her new classmates.
—May I ask for leave tomorrow?—No, you can't. ________ applying for the scholarship must be present.
New words selected by the dictionary are closely linked to social phenomena. Instead of being merely words, they are ________ cultural symbols.
—Have you figured out how much the tuition is in American universities?—$19 000 or ________ like that.
________ in my life impressed me so deeply as my first visit to Qinghai Lake.