The doctor is skilled at treating heart trouble and never accepts any gift from his patients, so he has a very good __________.
Nowhere else, as Tim said, _____ except the small garden in the backyard after school.
The woman _______ is so nervous that she can’t express herself clearly.
Mr. Wang has made up his mind to devote all he could ______his oral English before going abroad.
Tom had no choice but to ________ an excuse to explain his being late.
--Go and ask Mr. White for help. --But I don’t know _____________.