— What does Mary do? — Her job ________ helping old people who live alone.
C. adds up D. is consisted of
It has been announced by our provincial government that another two medical teams will be sent to _______ the injured people in the severe earthquake.
A. join to B. join in
C. take part in D. attend
The invention of steam engine greatly sped up the industrial revolution, which ________ a lot to the take-off of the world.
A. turned B. contributed C. constructed D. exposed
__________I see him, he looks sad.
A. Every now and then B. Every now and again
C. Every so often D. Every time
A quarrel _________, which made him __________ his family.
A. was broken out; break away B. broke out; break away from
C. was broken away; break down D. broke down; break out
Why not buy him _________MP4 as__________ birthday present since he likes music?
A. an; the B. the; the C. an；a D. a; a
