Jane is supposed to stop working. She has a serious headache because she ______  all the morning .

   A. wrote    B. is writing    C. had written    D. has been writing

—Hi, Tom, Any idea where Jane is?

  — She __ in the classroom. I saw her there just now.

A. shall be   B. should have been    C. must be   D. might have been

Jane is honest and never tends to hide her opinion. She must give you a(n) _____suggestion about it.  

A. abrupt   B. ambiguous   C. straightforward    D. hesitant

Jane is a good dancer. When   on stage, she is always so proud of herself.

A. stands               B. standing             C. is standing     D. stood

Jane is supposed to stop working. She has a serious headache because she ______  all the morning .

   A. wrote    B. is writing    C. had written    D. has been writing