"If sounds too good to be true, it is." meansA．when something good happens, it is expected

If in doubt as to the true water level when a boiler is being oil－fired, you should _____.

Which of the following infinitives functions as an if-clause？A．To be a good citizen, one m

"If it sounds too good to be true, it is" meansA．when something good happens, it is expect

Sounds are said to be in contrastive distribution if they appear in the same environm

URC522 Article 10 says: "Goods should not be consigned to or to the order of a bank without pri

阅读理解。 If you want to teach your children how to say sorry you must be good at saying it yoursel