______ the police thought he was the most likely one, since they had no exact proof about it, they could not arrest him.
| A．Although | B．As long as | C．If only | D．As soon as |
We do not permit _________ in the office.
| A．to smoke | B．to smoking | C．for smoking | D．smoking |
I believe that Mary hurt her boyfriend’s feelings on purpose rather than __________ as she said.
| A．in advance | B．by accident | C．on purpose | D．for sure |
__________ makes the school famous is __________ more than 90% of the students have been admitted to universities.
| A．What; because | B．That;because | C．That; what | D．What;that |
We hope to finish our experiment________.
| A．long before | B．fast | C．before long | D．fastly |
Did you benefit _________ the new way of doing business?
| A．to | B．in | C．for | D．from |