The other day, my friend John drove his car down the street at ________ I thought was a dangerous speed, ________ surprised everyone in the car.
| A．which; that |
| B．which; what |
| C．what; which |
| D．that; which |
— You look tired.
— Yes. I ___ non-stop until 8 o’clock.
| A．had worked | B．work | C．have worked | D．was working |
People are living in ___ world where mouse clicks rule our life, so online searches have become _____ must.
| A．the; / | B．/; a | C．a; a | D．a; the |
It is only _______ your heart is really in it _______ you can play your best.
| A．that; that | B．that; when | C．when; that | D．when; when |
--- How do I take this medicine?
--- Well, look at the _______.
| A．explanations | B．expressions | C．introductions | D．directions |
I turned to the headmaster and he promised to do everything _______ his power to help me out.
| A．beyond | B．within | C．under | D．above |