You left your umbrella.______. I’m becoming so forgetful these days.

My mother devoted all her spare time to learning typing during the two years.—That’s the case, or she ________ the job in that computer company.[ ]

Haven’t I told you that you ______ have the answer tomorrow morning?

I won’t go to her party unless my good friend Jack .

lways runs faster than Peter, butthis time he ______him