He cannot be tired _______ he has walked only half a mile. A：since B：whether C：when

John was ______ tired that he went to bed immediately after dinner.A、soB、veryC、tooD、suc

It is very important for the strong man to know that ______ strong he is, he cannot be the

He felt very tired because he ______ 18 hours without a rest.A．had workedB．workedC．was wor

______with resting at home, he decided to find a job.A．Fed upB．Feeding upC．To be Fed upD．H

______, he helped me with my work.A．As he was tiredB．Tired though he wasC．Tired as was heD

______tired after the hard work, he fell into bed and went straight to sleep.A．FeltB．Feeli