But for the help of my English teacher, I________ the first prize in the English Writing Competition. [ ]

______singer until the age of 40,when he turned professional

.__________ such a short time left before the deadline, it doesn’t seem likely that John will finish the job

_____ the temperature is, _____ water turns into steam. [ ]

at the back of the temple is the Tianning Tower, which, _____154 metres into the sky, is the tallest tower of the kind in China.