I will appreciate ______ if you can give me a hand.

—______? —Yeah, it seemed a little confusing to me at first, but now I get it.

The Beatles,  ________  many of you are old enough to remember, came from  Liverpool.

he recommended us to read the book Who moved my cheese,_______ written by Spencer Johnson.

Though we found _____difficult to avoid economic and financial crisis, we must take measures to reduce its negative impact.