It was about 600 years ago ______the first clock with a face and an hour hand was made .
| A． that | B．until | C．before | D．when |
Mensa is a society for bright people, and it aims to create a platform ______ many think can provide the chance to share their thoughts and ideas.
| A．where | B．which | C．what | D．who |
One of the firms I applied to has offered me a job but I _____ my options open until I hear from the others.
| A．have kept | B．will have kept |
| C．am keeping | D．keep |
It is important to make new laws and create international standards for these laws similar to _______ concerning international airspace.
| A．what | B．that | C．those | D．it |
It also gives the interview the impression _______ you actually feel quite nervous, you’re confident.
| A．that | B．even if |
| C．that even if | D．what |
A good interviewer is able to tell very quickly if you’ve done your homework about the company, so make sure you !
| A．do | B．have | C．will do | D．did |