When might the skateboard riders have a big fall?When they are most__________________.
举一反三
- When autumn comes,_________of most trees turn yellow and then fall down.
- Like most wildlife, deer reproduce, grow, and store fat in the summer and fall when there is plenty of nutritious food .
- Nowadays when you buy a house in a big city, you have to ________ lots of money.
- 8．The risk investors have that a callable bond will be called when interest rates fall is Call risk. ( )
- When autumn comes,_________of most trees turn yellow and then fall down. A: leaf B: leafs C: leaves D: leave