(2013·南昌三中模拟)—Do you think Jack will lend us a hand?—He is the last one to help others. He ________ lend his hand, though.

(2013·四川，5)—Why are your eyes so red？You________have slept well last night.—Yeah，I stayed up late writing a report.

I can play basketball，but my sister ________．

  --- Whose hair band is this ?  ________ it be Kate’s ? --- I’m not sure . It ________ be hers.

--Mr. Yang looks rather a kind gentleman.   ---But in fact he is cold and hard on us. You _____ believe it!