. Statistics ________ that most of the published and quoted scientific articles are related to medical science.
| A．has shown | B．is shown | C．show | D．shows |
---How long have you been here? ---About half an hour, Jack ______me here.
| A．had driven | B．has driven | C．drives | D．drove |
I can still remember the first day _____I spent at school _____it were yesterday.
| A．that, even if | B．which, even though |
| C．/, as if | D．when, as though |
________an advertisement says, remember that there is ________as a free lunch in the world
| A．Whatever, no such thing | B．What, not such thing |
| C．However, no such thing | D．how, not such thing |
Was it on that lonely island ________the family finally ___________?
| A．where, set down | B．where, calmed down |
| C．that, settled down | D．which, got down |
Unsatisfied_______with the payment, he took the job just to get some work experience.
| A．though was he | B．was he though |
| C．he was though | D．though he was |