Before a problem can be solved, it must be obvious ______ the problem itself is.
题型：不详难度：来源：
Before a problem can be solved, it must be obvious ______ the problem itself is.
A. what B that C which D why |
答案
| A |
解析
| 本题考察的是名词性从句中主语从句。从句中缺表语，排除B和D；又因题目没有给出problem的范围，故选A； |
举一反三
Jack wasn"t saying anything but the teacher smiled at him ____ he had done something very clever.
A as if B in case C while D though |
| I’m afraid he’s more of a talker than a doer, which is_____ he never finishes anything. |
The old town has narrow streets and small houses _____are built close to each other.| A．they | B．where | C．what | D．that |
|
.We’ve offered her the job, but I don’t know______ she’ll accept it.| A．where | B．what | C．whether | D．which |
|
| Our teachers always tell us to believes in we do and who we are if we want to succeed. |
最新试题
热门考点