You have finished writing an e-mail on computer , but too many mistakes in it . You can click _____ .

_____ will your headmaster come back from Australia. —In a few days. [ ]

Who’s that man over there standing in the garden? Is it Mr. White?—It __________ be him. He has gone to Shanghai on business.

Lin Too, open _______door, please. —I’ m coming, Mum.

If our governmentattention to controlling food safety now, our health ________ in danger.