By now 516 Confucius Institutes ______in 142 countries and regions, according to the Confucius Institute Headquarters.
A. founded B. would found
C. have been founded D. had been founded
You don’t need an invitation to help others. Give help _____you are asked.
A. if B. as
C. though D. before
I _____up my mind what I was going to say in the seminar, but it was cancelled.
A. have made B. had made
C. was making D. would make
Personally speaking, ________the grand blueprint into reality is a long process.
A. turning B. turn
C. turned D. having turned
I need help now! I have to fix a leaking pipe in my bathroom but I’m not sure ______to begin.
A. what B. which
C. where D. when
—Excuse me, sir. Can you spare me a dollar ________ I can buy this book?
—Sure, no problem.
A. for B. so
C. but D. or