The chair looks rather hard, but in fact, it is very comfortable______.A．to sitB．to sit on

The chair looks rather hard, but in fact, it is very comfortable______.

A．to sit

B．to sit on

C．to be sat

D．to be sat on

请帮忙给出正确答案和分析，谢谢！

A、There is a mice on the chair

B、There is a mouse on the chair

C、There is a mouse under the chair

D、There is a mouse under the table

A、on the chair

B、in the chair

C、under the chair

A、the grass

B、the chair

C、lackboard

A、It's behind your chair

B、It's under your chair

C、It's front your chair

A、Where is my car

B、It is under the desk

C、Is it under the chair

A、干杯

B、椅子

C、桌子

A、chair

B、hope

C、here

A、chair

B、windowst

C、a hood

D、desk

A、meeting

B、preside

C、introduce

D、chair

E、dominate