Although the increase in the present sum used for the research is________， a great breakthrough could still be achieved by the end of this year.
A．common B．sudden
C．enormous D．modest
________the American economy expanded at an annual rate of 2.5 percent in July—September, it faced a long road to recovery.
A．Since B．If
C．While D．When
In an economy ________income per head used to rise by barely 1% a year, current growth rates feel like a miracle.
A．when B．whose
C．that D．where
“Russia wants to maintain its established diplomatic relations with Libya and never interrupt them________which government was in power in Libya，” the leader said.
A．because of B．regardless of
C．in need of D．in terms of
The organization says almost threefourths of the young people________said they planned to have a summer job.
A．to question B．to be questioned
C．questioned D．questioning
—I________as a cashier for 10 straight years, but I never had a sense of achievement.
—Is that why you set up your own business?
A．worked B．have been working
C．would work D．have worked
