6. It can save you ____
举一反三
- Only when you realize that how valuable water is________ it. A: you can save B: can you save C: that you can save D: that can you save
- In order to save money, you can __________.
- With coupons you can save money.
- With online _________ you can save money.
- With mathematical_______, you can save time by approximating.