百思不得其解——Sorry,Mum.I've lost my pen again.——I ____ it!You nev

百思不得其解——Sorry,Mum.I've lost my pen again.——I ____ it!You nev mum.i 've lost my pen again.i knew it ——oh,dear!I've lost my pen. 几道初中英语题1,I've lost my pen . ____ you _____ (see ) it anywher Sorry.I lost your pen.It ___ ____ . 1.I can't find my pen .could you lend me _________?——sorry,i 几个反意疑问句I'm afraid I've lost my key again,have you?it started —Where do you think _____ he ____ the TV set?— Sorry,I've no —Mum, I’ve been studying English since 8 o’clock. ____ I go 1.---I'm afraid I've lost my keys again. ( ) 21.—Mum,I’ve finished my homework._____ I go out and pla — Mum, I’ve been studying English since 8 o’clock. ____