题目列表(包括答案和解析)
In the past, ice used to ______ used to ______ the air in a room.
|
A．be ;cooling |
B．be; cool |
C．being; cool |
D．being; cooling |
In the past, ice used to ______ used to ______ the air in a room.
A．be ;cooling B．be; cool C．being; cool D．being; cooling
In the past, ice used to ______ used to ______ the air in a room.
A．be ;cooling B．be; cool C．being; cool D．being; cooling
In the past , ice used to used to the air in a room.
A．be ;cool B．be ;cooling C．being; cool D．being ;cooling
In the past, ice used to ______ used to ______ the air in a room.
| A．be ;cooling | B．be; cool | C．being; cool | D．being; cooling |
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