专题限时训练(十六) [特殊句式]
(限时：10分钟)
1．________you were serious, I wouldn't have laughed.
A．Should I know B．Would I know
C．Had I known D．Did I know
2．—Did you know any German before you came to Berlin?
—Never ________ it, actually.
A．had I learned B．have I learned
C．I learned D．was I learning
3．In his speech, he said that it was his primary school teachers that he was fond of ________influenced his whole life.
A．what B．which
C．who D．as
4．So suddenly ________ that the animals in the zoo looked very frightened during the total solar eclipse.
A．did the sky turn dark B．the sky did turn dark
C．turned the sky dark D．was the sky turned dark
5．When asked to explain ________ made his lessons so exciting, the teacher kept silent.
A．what it was that B．that what it was
C．what was it that D．that what was it
