If you send the best wishes to your mother on Mother’s Day,____will give her a great surprise.
| A．which I think | B．I think which | C．I think that | D．What I think |
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 |
She had to lie to the company and ______ a man in order to get a job, ______ rather strange.
| A．pretending as, looked | B．pretended to be, looking |
| C．pretending as, was looked | D．pretended to be, looked |