There are some health problems that,when ________ in time,can become bigger ones later on. (2013·浙江,19)
I went to the newly-built super-market and found there was nothing worth_____.
Don’t come in unless ________.
Many difficulties have ______ as a result of the overuse of coal
There is no doubt _____ she will be able to repay the money on time.
_______ his scientific work, he has no time to care for his family affairs, which his wife always complains about.