摘要：17．He used to in the sun, but now he is used to at night. A．read, read B．reading, read C．read, reading D．reading, reading
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He used to ____in the sun, but now he is used to ____at night.
| A．read; read | B．reading; read | C．read; reading | D．reading, reading |
He used to ____in the sun, but now he is used to ____at night.
| A．read; read | B．reading; read | C．read; reading | D．reading, reading |
He used to _______in the sun ,but now he is used to ______at night.
| A．read;read | B．reading;read | C．read; reading | D．reading; reading |