_____is it that is troubling Mary ?—-Working out the maths problem..

Excuse me, sir. Would you do me a favour?—Sure. What is it?—I _________if you could tell me how to pronounce this English word.

What’s _________ population of __________ capital of that country

I prefer spending much time solving the problem toconsulting my teacher. —That’s_______ I don’t agree. Youshould turn to your teacher for help if necessary.

Production of less expensive car brands like Chery and BYD means more Chinese can ______ cars．