High school students are supposed to be about public services，which will benefit them in the long run．
| A．curious | B．anxious | C．particular | D．enthusiastic |
A greenhouse is a building _______ of glass _______ for keeping plants warm when the outside temperature is low..
| A．made, which is used | B．which is made, is used |
| C．made, being used | D．is made, used |
She is the only one of the persons ________ from the mistakes.
| A．whom I know have learned | B．whom I know has learned |
| C．I know who has learned | D．I know who have learned |
About _______ gene-targeting drugs are already in testing pipeline. It won’t be long ______ they are put into effect.
| A．two dozen; before | B．two dozens; that |
| C．two dozens of; before | D．dozens; that |
---_________________
---Thank you. I certainly will.
| A．Happy New Year to you! | B．Don’t forget to post the letter! |
| C．May I help you? | D．Please remember me to your family. |
When you go by train, please see to it_______ you take an express, _______ that stops only at big stations.
| A．that, one | B．/, the one | C．that, it | D．/, it |