The man_______in the chair asked me to_______.

The woman is very old. Her son must ______ her very well at home.

Do you know if Tom ________to the concert— I’m not sure, but if he________, I’ll go to the concert with you.

_________ scientist Tu Youyou won the Nobel Prize for medicine (诺贝尔医学奖)_________ October 5, 2015.

Could you please do ________ for me, Jim —Yes, with pleasure.