I saw some trees the leaves of _____ were black with disease.
| A．that | B．which | C．it | D．what |
________, Nathan gave back the enormous amount of money he found.
| A．To his sorrow | B．To his joy | C．To his surprise | D．To his credit |
________ entered the classroom ________ the bell rang.
| A．We hardly had; before | B．Hardly had we; when |
| C．Hardly had we; than | D．Hardly did we; when |
— Did you remember to give Jenny the money?
— Yes. ________ I saw her, I’m sure.
| A．As far as | B．In case | C．The instant | D．Now that |
______ their homework, these three students have to stay in the classroom for another thirty minutes.
| A．Not finishing | B．Not finished |
| C．Having not finished | D．Not having finished |
When ________ what made him a popular person, he said it was his personality.
| A．asking | B．asked | C．being asked | D．ask |