1. He is one of the worldโs best tennis players.
่ณชๅใฏ็พๅจๅฝขใง่ใใฆใใใฎใงใๅพๅใฎshowed(้ๅปๅฝข)ไปฅ้ใฏๅฟ
่ฆใชใใจ่ใใพใใ
2. ใใ
3. ใ
4. The wheelchair tennis players can let the ball bounce up to two times before returning it.
โปIt(S) is(V) the players(S) can let(V) โ ๆๅณไธๆ
5. They(S) require(V) the skills(O) to control the wheelchair quickly and accurately.
่ณชๅ๏ผWhat skills(O) do wheelchair tennis players(S) require(V)?ใชใฎใงใใซใณใ(,)ไปฅ้ใฏใชใใฆใ่ฏใใจๆใใพใใ
โ ใ
ๅ่ใซใใฆใใ ใใใ