When ___our culture with those of other countries, we find ours is quite different.
He wrote song, which turned out to be rather popular with young.
-----What upsets him?-----_____ his computer is out of order.
— Frank, I’ve learned your plan. Could I make some suggestions?— ________.
We are kept ______ of what is happening in the world by reading newspapers and watching TV.
The time and effort he has devoted during the past few years _____ trees in that village are now considered to be very important.