We will celebrate the 90th birthday of the Chinese Communist Party _______June 29th, 2011 in Qinzhou. [ ]

I felt it hard to keep up with my classmates. But when I want to _____, my teacher always encourages me to work harder.

Daniel is ill. I _______ to see him after school.－ Sorry to hear that. I _______ with you.

It’s the office! So you ________ know eating is not allowed here.—Oh, sorry.

They are filling their bags ____ books and other things. [ ]