摘要：( ) What while Linda was on the telephone. A. was happened B. happen C. happened D. is happened
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____ are you going to be ____ you grow up?
A. What, while B. What, when
C. When, how D. When, what
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We still don’t know what _________ while we were away from home.
| A．had happened | B．was happened | C．has happened | D．happened |
What ________ while Linda was on the telephone?
[ ]
A．was happened
B．was happening
C．happened
D．happens