1 . Whom would you rather ________ an online lecture to the students of our school this weekend?

A．had given

B．have to give

C．have give

D．have given

2 . Standing on the top of the hill, I would not do anything but ______ the flowing of the clouds around me.

A．to enjoy

B．enjoying

C．enjoyed

D．enjoy

3 . The jokes told by Tom made us ________, so the teacher couldn’t make himself ________.

A．to laugh; hearing

B．laugh; heard

C．laughing; hear

D．laughed; heard