--- Hey, what’s up? Water is everywhere. What can I do for you?
--- Oh, great. I ______ how to operate this damn new machine.
A．just wonderedB．was just wondering
C．had just wonderedD．have just wondered
B
考察時(shí)態(tài)。根據(jù)題意，嘿，發(fā)生了什么事?到處是睡。我能為你做點(diǎn)什么？——哦，太棒了。我正在想怎么來操作這臺可惡的新機(jī)器呢。可知下文敘述的是剛才正在發(fā)生的動作，故用過去進(jìn)行時(shí)態(tài)，選B。
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