Steve is very strong and healthy. Strangely enough, he ____ have been infected by HINI virus.
A would B must C should D might
相关试题
______ and short of breath, Andy and Ruby were the first to reach the top of Mount Tai.
| A．To be tried | B．Tired | C．Tiring | D．Being tired |
There are plenty of jobs ______ in the western part of the country.
| A．present | B．available | C．precious | D．convenient |
Students are always interested in finding out _______ they can go with a new teacher.
| A．how far | B．how soon | C．how often | D．how long |
Would it be ____for you to pick me up at four o’clock and take me to the airport?
| A．free | B．vacant | C．handy | D．convenient |
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