— Beibei, is Mr. Chen in the office?
— No. He_________for half an hour.
A. left B. has left C. has been away
—I am afraid to ask questions because of my poor ______.
—You’d better practice speaking more.
A. introduction B. pronunciation C. information
--______ does his father make a living ?
-- ______driving a taxi.
A How , By B How , With C What , By
Tom has _____ money that he can’t afford the digital camera.
A. such few B. so little C. so much
Hou Yi was ______ sad _______ he called out Chang’e’s name to the moon every night.
A. too , to B. so , that C. enough , to
—Lily, ______ do you study for a math test?
—By asking my teacher for help.
A. how B. who C. why