Students are required to go out in couples, especially in the evenings, with friends ______ they get into trouble．
| A．even if | B．if only | C．in case | D．when |
.
He wanted to know what I thought, _____ confused me because I thought the author knew
more than I did.
| A．when | B．that | C．which | D．where |
.
She fell off a ladder and ______Tony was in the next room, he managed to catch her in time.
| A．because | B．even though | C．in case | D．unless |
.
Larry persuaded her that the robot wouldn't harm her or allow her ______.
| A．to be harmed | B．to harm | C．harm | D．to be harming |
.
To be honest, I doubt ___ I'm making any difference to these boys' lives at all.
| A．that | B．why | C．what | D．whether |
.
After getting my visa I was very excited because I __________ of this day for so long.
A, have dreamed B. dream C. had dreamed D. am dreaming .