I'm writing to______ my thanks.
A. expressing
B. express
C. expressed
D. expressive
I wrote a letter to the headmaster and looked forwardto______him.
A. hear from
B. heard from
C. hearing from
D. to hear from
I need to______my shirt because it's dirty.
A. washes
B. washed
C. wash
D. washing
Mary used to____early,but now she doesn't.
A. get up
B. getting up
C. got up
D. gets up