_____he is very tired , _____he still goes on working.

Maybe if I______science, and not literature then, I would be able to give you more help.

(2013·宜春五校联考)Someone ________ his car in front of my house and it’s blocking my way

you please write a 3 000word report about this subject for me?—Perhaps Ionly write a 1 000 word one,but I even doubt it.

of the students in our class have lunch at school.