【原创】According to its website, each tattoo lasts around seven days, ________ it isn't scrubbed or picked at.
| A．having provided | B．provided that |
| C．providing that | D．being provided |
Comrade Li Dazhao, _____ librarian of Beijing University, was one of the founders of the Chinese Communist Party.
| A．sometimes | B．sometime | C．some time | D．some times |
We won't know whether it will be successful. We won't know whether there will be good _____.
| A．ends | B．results | C．effects | D．causes |
The open university was started in order to help those who _____ having a university education when they were young.
| A．stopped | B．failed | C．missed | D．ceased |
He has left his book here on _____, so that you can read it.
| A．purpose | B．intention | C．aim | D．meaning |
I remember her face but I cannot _____ where I met her.
| A．recall | B．remind | C．remember | D．remark |