Not until I began to work ______how much time I had wasted.
|
A．didn’t I realize |
B．did I realize |
C．I didn’t realize |
D．I realized |
Not until the early years of the 19th century______ what heat is.
|
A．man did know |
B．man knew |
C．didn’t man know |
D．did man know |
_____ he realized it was too late to return home.
|
A．No sooner it grew dark than |
B．Hardly did it grow dark when |
|
C．It was not until dark that |
D．It was until dark that |
We were lucky enough， for no sooner _____ home _____ it rained.
|
A．we returned， and |
B．we had returned， when |
|
C．did we return， when |
D．had we returned， than |
____， he would have passed the exam.
|
A．If he were to study |
B．If he studied hard |
|
C．Had he studied hard |
D．Should he study hard |
Little wonder _____ up their hands in dismay.
|
A．have some thrown |
B．some have thrown |
C．thrown some have |
D．have thrown some |
