Being examined twice a year is the rule that every driver _____ obey in this city.
A. shall B. can
C. ought to D. need
I’m calling to ask for information about the position____ in the local TV news.
A. advertising B. advertised
C. having advertised D. to advertise
It has been proved ____ several new kinds of medicine____ a positive effect on the cure of H7N9.
A. which，has B. if, has
C. that, have D. what, have
It was the middle of the night_____ my father woke me up and told me to watch the football game.
A.that B.as
C.which D.when
I invited him to dinner, but he___ my invitation with thanks.
A. approved B. declined
C. ignored D. abandoned
The population of this city ,forty percent of which_____, ______ 15% in the last three years
A. are Germans, has risen by
B. are Germen, has fallen by
C. is Germans, have been increased by
D. is Germen, have been reduced by
