She didn't come to the party last Sunday. ________， she must have made the party more exciting.
A．If she came B．Would she come
C．Had she come D．Did she come
Students ________ remain in their seats until all the papers have been collected.
A．wouldB．shall
C．will D．could
—Did Ann fail in English?
—She ________. Don't you notice that she looks depressed?
A.might B．must
C．may have D．could have
I wrote a letter to John for his help during my high school years，without which I ________ the college entrance exam.
A．would fail B．would have failed
C．should fail D．must have failed
________ me what you wanted to know, I should not have wasted my time talking so much with you.
A.Had you toldB．You have told
C．You had toldD．Have you told
Every time she was in trouble, she went to him for help, as he said he ________ do anything for her.
A．should B．must
C．would D．might
