单选题Youshouldmake
答案A “确保”
1 make sure的意思有两种：核实；确保，后面用介词of或者that从句。
参考：
make sure (of sth/that。。。)
(a) find out whether sth is definitely so
把某事物弄清楚; 核实或查明某事物:
I think the door's locked, but I'd better go and make sure (it is)。 我想门已经锁了, 但我最好还是去查看一下。
(b) do sth to ensure that sth happens
设法确保出现某事物:
arrangements to...全部
答案A “确保”
1 make sure的意思有两种：核实；确保，后面用介词of或者that从句。
参考：
make sure (of sth/that。。。)
(a) find out whether sth is definitely so
把某事物弄清楚; 核实或查明某事物:
I think the door's locked, but I'd better go and make sure (it is)。
我想门已经锁了, 但我最好还是去查看一下。
(b) do sth to ensure that sth happens
设法确保出现某事物:
arrangements to make sure that the visit goes well
为使参观得以顺利进行而做的安排。
2 make certain的用法与上面类似，但意思是：
参考：
（1）make certain (that。。。) inquire in order to be sure about sth 弄清楚; 弄明白; 弄确实:
I think there's a train at 8。
20 but you ought to make certain。
我想8点20分有一班火车, 不过你应该打听清楚。
（2）make certain of sth/of doing sth do sth in order to be sure of (doing) sth else
采取行动以便确有把握做其他事:
You'd better leave now if you want to make certain of getting there on time。
你要想准时到达那里就最好马上走。
。收起
