智慧职教: Do you know what ____ so much greenhouse gases in the air?
举一反三
- 33.Do you know what ______ so much greenhouse gases in the air? A: producing B: has produced C: will produce D: produces
- They've got so much money that they don't know what to do with it.
- One of the ways to reduce the amount of greenhouse gases that we put into the air is to buy products that don't use as much energy.
- Not so many greenhouse gases come from things we do every day. A: 正确 B: 错误
- 中国大学MOOC: Not so many greenhouse gases come from things we do every day.