_______makes this shop different is that it offers more personal services.
| A．What | B．Who | C．Whatever | D．Whoever |
______ the production up by 60%, the company will have another excellent year.
| A．As | B．Because | C．With | D．Since |
It was in the lab ______ was newly built ______ they carried out the experiment.
| A．that; which | B．that; that | C．where; that | D．which; where |
— Ann is in hospital.
— Oh, really? I ______ know. I ______ go and visit her.
| A．didn't, am going to | B．don't, would | C．don't, will | D．didn't, will |
Nowadays, teachers should give less homework to students in order to ______ the amount of pressure they have.
| A．reduce | B．recover | C．remove | D．remain |
He was crazy ______ his study when he was young, which contributes ______ his success in later life.
| A．for; to | B．about; to | C．about; on | D．for; on |