--_________is the population of the world ?
--_________about 7 billion.
A. How many; It’s B. What; It’s C. What; They’re
相关试题
Bob is too young. He can’t ________ himself (他自己)
| A．wear | B．put on | C．dress | D．have |
He is in good ________, because his lifestyle is very _____.
| A．health, health | B．healthy, health |
| C．health, healthy | D．healthy, healthy |
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