名词性从句
1 It is pretty well understood ____ controls the flow of carbon dioxide in and out the atmosphere today.
A that B when C what D how
2 I think it is going to be a big problem
Yes , it could be .
I wonder ____ we do about it
A if B how C what D that
3 You should make it a rule to leave things ______ you can find them often .
A when B where C then D there
4 A computer can only do ______ you have instructed it to do
A how B after C what D when
5 You are saying that everyone should be equal , and this is ____ I disagree.
A why B where C what D how
6 I like ______ in the autumn when the weather is clear and bright .
A this B that C it D one
7 The road is covered with snow . I can not understand ______ they insist on going by motor-bike
A why B whether C when D how
8 We can not figure out ____ quite a number of insects, birds, and animals are dying out
A that B as C why D when
9 After yang Liwei succeeded circling the earth , _____ out astronauts are to do is walking in space.
A where B what C that D how
10 A story goes _____ Elizabeth I of England liked nothing more than being surrounded by clever and qualified noblemen at court.
A when B where C what D that
11 He has given us a suggestion ____ we should buy a cottage in the country , with the money we have saved .
A when B where C what D that
12 After five hours’ drive ,they reached _______ they thought was the place they’d been dreaming of.
A that B where C which D what
13 It is no longer a question now ______ man can land on the moon
A that B which C whether D what
14 She is pleased with _____you have given him and all that you have told him.
A that B what C why D which
15 Father made a promise ____ I passed the exam ,he would buy me a bicycle
A that B if C whether D that if
16 ______ surprised me most was that she didn’t even know ____the difference between the two lies
A what ,where B what ,what C that ,where D that, what
17 Sometimes we are asked ______ we think the likely result of an action will be
A that B what C which D whether
18 Nobody knows _____ he mentioned that at the meeting
A that B why C what D where
19 There is no doubt ______ my friend was not important to them all
A that B whether C if D why
20 I have no idea ______ they will visit our school ; we have got everything ready
A how B when C that D why