So hot ___ that we couldn't drink it.
<b>is the coffee</b>
<b>the coffee was</b>
<b>the coffee is</b>
<b>was the coffee</b>
Not until Kentucky's Mammoth Cave had been completely explored in 1972 ______
<b>when was its full extent realized</b>
<b>the realization of its full extent</b>
<b>that its full extent was realize</b>
<b>was its full extent realized</b>
____ Mary studied hard, she would have passed the exam.
<b>Had</b>
<b>Were</b>
<b>Should</b>
<b>Where</b>
Never ______ me again.
<b>will she love </b>
<b>she will love</b>
<b>she loves</b>
<b>she won't love</b>
Only at weekends ____my kids to the park.
<b>do I take</b>
<b>I don't take</b>
<b>I do take</b>
<b>I take</b>
___ getting home did I remember that I had forgotten to pick up my sister.
<b>Before</b>
<b>Only after</b>
<b>Until</b>
<b>As soon as</b>
No sooner had we arrived at the station ______ the announcement started
<b>then</b>
<b>than</b>
<b>last</b>
<b>when</b>
__ should we damage the environment.
<b>Only</b>
Under no circumstances
<b>Not only</b>
<b>Never</b>
___ working harder can he pass the exam.
<b>Only if</b>
<b>Only by</b>
<b>Under no circumstances</b>
<b>Never</b>
____ I to learn French, I would read Les Miserables.
<b>Had</b>
<b>Should</b>
<b>If</b>
<b>Were</b>
____ here yesterday, you would have met the love of your life.
<b>You were</b>
<b>Had you been</b>
<b>Were you</b>
<b>You had been</b>
