— I don’t know ________ to deal with this problem.

— Why not ask your teacher for help.

A．what             B．that              C．where            D．how

—Hi, Bob! I can’t find my story book. Have you seen it?

—Sorry, I haven’t. Why not ask Jim? Perhaps he’s seen it _____.

A.anywhere B.everywhere C.nowhereD.somewhere

—I feel stressed in my study from time to time. I don’t know what to do.

  —_________

  A. You should keep quiet.

  B. What about keeping your worries to yourself?

  C. Why not ask the youth workers for advice?

  D. You’d better pay no attention to your study.

–Hi, Danny! I can’t find my dictionary. Have you seen it __________?

–Sorry, I haven’t. Why not ask Kitty? Perhaps she’s seen it.

--My father ___________ a letter yesterday, but I’m not sure if he has finished it.

  ---Why not ask him about it ?

   A. wrote       B. was writing       C. has written        D. writes