【題目】It turned out that the hotel was so near. I ______ the taxi.
A.needn't have takenB.must have takenC.should takeD.could take
【題目】The researchers say they will ______ more studies to confirm the results.
A.give awayB.make outC.carry outD.put up
【題目】When it comes to modern communication, network safety is always a major ______ .
【題目】We must fully obey traffic rules, otherwise everything would be ______ .
A.out of touchB.out of orderC.out of dateD.out of sight
【題目】People _______ about what our future will look like for thousands of years .
A.have been wonderingB.wonderC.wonderedD.will wonder
【題目】He me that it was not worth buying and we went back with nothing.
A.tried to persuadeB.persuadedC.preferredD.expected
【題目】You should try to relax yourself much work you have to do.