Question

they are going to ___ the plane to Beijing

选择题：A.on B.take

Answer 1

选B
They are going to (take) the plane to Beijing.
他们将要搭乘去北京的飞机。

take the plane意思是：搭乘飞机，坐飞机

保证正确

Answer 2

应该选B。动词不定式的用法 to do

Answer 3

B Take

Take the bus 乘公交

很明显得用一个动词，on是介词，绝对不可以。