Blue whales are ． We should try to protect them．（ ）
A．in timeB．in publicC．in danger
________famous Chinese songs， such as The Love Song of Kangding and Jasmine Flowers，were sung during the concert．（ ）
A．A number ofB．The number of
C．A great dealD．A great deal of
Facial recognition （人脸识别） technology is widely used for payment． _____， we needn't enter the passwords any more．（ ）
A．For exampleB．As a result
C．What's worseD．What's more
Good news! You've passed the PE test．
Hooray!____， I'm worrying about it．（ ）
A．All in allB．To be honest
C．Without doubtD．In my opinion
I'm planning to climb Mount Huang this summer． Would you like to come along？
Wow! That would be exciting __________ challenging． I'm in!（ ）
A．as well asB．as good asC．as long asD．as far as
_______the scientists' hard work，Tiangong II was launched（发射）successfully．（ ）
A．As forB．Thanks to
C．Instead ofD．According to
，there must be life on other planets though none has been discovered．
I agree with you．The universe is so large after all．（ ）
A．To my surpriseB．To be honest
C．In my opinionD．Again and again
My grandfather showed an interest in Beijing opera in his （fifty ）．
If someone is your way， what will you do？
I will wait he or she moves instead of pushing past．（ ）
A．inB．onC．byD．along
What shall we buy for Lucy as a present？
Let's buy a new bike for her．Her bike breaks down from time to time ______．（ ）
A．after allB．above allC．at allD．in all
What's the result of my driving test？
You didn't reach the required standard． __________， you failed．（ ）
A．In the endB．After all
C．In other wordsD．At the same time
Although the man is in his eighties， he grows vegetables ________ in his garden． （ ）
A．in publicB．in personC．in silenceD．in fact
The instructions tell us everything ____about how to make the model ship．（ ）
A．by handB．by chanceC．in detailD．in person
Vienna is famous for having many great musicians．____，Johann Strauss the younger wrote hundreds of wonderful pieces of music there．（ ）
A．In factB．For example
C．As a resultD．In my opinion
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