23. “If anything ________ to the patient, let me know at once, please.” the doctor said to the nurse.
He wrotesong, which turned out to be rather popular withyoung.
-----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.