A.rate B.speed C.step D.pace
单项选择题The issue ()at the conference is very important and it will create a sensation nationwide.
A.discussed B.being discussed C.is being discussed D.has been discussed
单项选择题The captain of the ship ()the passengers that there was no danger.
A.assured B.ensured C.secured D.insured
单项选择题Shortage of capital is the main factor that()economic development.
A.holds out B.holds on to C.holds back D.holds on
单项选择题The new currency will get into ()soon.
A.circuit B.circulation C.circular D.circle