All the teachers discussed the plan that they would like to see __________ in the next school year.

A．carry out

B．carried out

C．to carry out

D．be carrying out

牙槽窝颊侧牙槽骨板较厚的部位为( )

A．上颌磨牙区

B．下颌前磨牙

C．下颌尖牙区

D．下颌侧切牙

E．下颌中切牙区