March 22 is World Water day. Which of the following signs shows that we should save water?
---I have trouble _____ my new computer.-----Don’t worry. I’ll show you how ____it.
The math problem is so hard, I really don’t know _____.
--- Shall we call a taxi?---- Ok, Let me ______ the phone number in Yellow Pages.
_____ there may be sharks near the beach, people still swim there.
The school isn’t far ________ my home. It’s just ten minutes’ walk.
粤公网安备 44130202000953号