--Shall we discuss the problem at the meeting today? ---We’d better not. ,the problem isn’t so burning. What’s more, the manager won’t be back until tomorrow.
As well as costing the Middle East dearly in terms of human life, conflict! (冲突) _______ the region around $ 12 trillion since 1991, according to a report by the Strategic Foresight Group.
What _______ public is concerned about is whether medical workers and scientists will be able to find _______ cure for this new disease after the vaccine is tried on _______ volunteers.