--- Don’t worry. Your mother is coming to help you.

?????? ---_______ she doesn’t come and I am here alone?

A. What about??? B. What if???????? C. Why not?????? D. How about

--- Don’t worry. Your mother is coming to help you.

---_______ she doesn’t come and I am here alone?

A. What about??? B. What if???????? C. Why not?????? D. How about

—Don’t worry. Your brother is coming to help you.

?? —________ he doesn’t come?

A. What about????????????? ????????????? ????????????? B. Why not? ????????????? C. What if????????????? ????????????? ????????????? D. What for

—Don’t worry. Your uncle is coming to help you.

   —________he doesn’t come?

A. What if                    B. Why not                           C. What about            D. What for

—Don’t be nervous whenever you have a test.

—________ .

A．You’d better not   B．Please don’t      C．Yes, I’d love to     D．Well , I won’t