Flocks of geese will be seen flying in a line or in V shape formation to the north, seeking for their last home. When you see this situation, it means that Rain Water is coming.（ ）
举一反三
- At last she left her house and got to the airport, only_the plane flying away. A: having seen B: saw C: to have seen D: to see
- At last she left her house and got to the airport, only ______the plane flying away. A: having seen B: to have seen C: C. to see D: D. saw
- It has been three years __________. A: since I last saw you B: efore I last saw you C: when I last saw you D: when I had last seen you
- If you _____ that movie last night, you wouldn't be so sleepy. A: didn't see B: hadn't seen C: haven't seen D: wouldn't see
- When did it begin to rain A: At about 6:00. B: Before John got home C: After John reached home.