Many people do not realize the importance of health ________ they have fallen.
A. after B. while C. when D. until
Take care when you are driving , ________ in a summer storm like this.
A. recently B. especially
C. carelessly D. closely
The chief engineer of the high-speed railway ________ Shanghai to Beijing always devotes most of his time ________ his work.
A. connecting； to B. connects； to
C. connected； on D. connect； on
My dream is to go into the west and _________an early childhood school (幼儿园)there.
A. pick up B. set up C. look up D. give up
He likes playing tricks on others, but_________, he is a good boy. He is willing to help others.
A. in this way B. in some ways
C. in his way D. on his way
They have ________ since the factory opened.
A. left the school B. joined the team
C. become workers D. worked here
