题目内容

_________ most students own a smartphone, the school does not allow them to use it in the classroom. (2018,6. A)

A. Even though
B. In case
C. Now that
D. If only

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He stayed patient and answer every single question, ______ obvious the answer was.(2018,6. A)

A. no matter when
B. no matter whether
C. no matter what
D. no matter how

________ businesses rely more and more in technology to improve productivity, the demand for IT professionals continues to increase. (2017,12. A)

A. While
B. Unless
C. Although
D. As

With the help of their professor, these students will learn to program their robot to do _______ they want it to do.(2017,12. A)

A. Whatever
B. wherever
C. whenever
D. whichever

Your order will be fufilled within 7days of the date of your order, _________ there are exceptional circumstances. (2017, 6. A)

A. so
B. unless
C. while
D. before

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