Though great efforts have been ________on her study,Annie can’t still make any improvements,which makes her parents greatly________.
--- Mum, I’m going to visit my aunt. What about a week? --- A week is too long. Try to be back in a ______ of days.
--- Where is the new dictionary? --- It’s on the top shelf, out of ______.
You must get there within an hour. There should be no ______ in sending this information to him.
My mother asked me to repeat ______ telephone number ______ second time so that she could write it down.
During a successful business career he gained a great amount of ______.