We have taken effective measures to ________ our natural resources.[ ]

I’d thought you couldn’t deal with the situation.—On the contrary, it is quite _______ my power.[ ]

You look so curious (好奇) about Beijing .Is this the first time that you _____ here ?

If anyone happens to drop in while I am out, _____ him or her leave a message. [ ]

(2013·四川省攀枝花市二模)________ we’ve set our mind on the goal, we must go through with the task