1 . 短语填空：用所给短语的正确形式填空，每个短语只能用一次。

turn to   make one’s fortune   thanks to     ought to     in the lead

1. Living alone, the old man had no option but to ________ the neighbour when he fell heavily to the ground.
2. First and foremost, don’t damage your health by working when you ________ be sleeping or resting.
3. In men’s 100 final race at the 14^th National Games in Xi’an, Su Bingtian ran ________, with Xie Zhenye close behind.
4. ________ technology, working is easier than it was a decades ago, in many aspects.
5. The live-stream salespersons like Mr.Li ________ by selling the goods online in the past several years.