At present, we have come to sense that creativity is______ it takes to keep a nation highly competitive.
| A．why | B．what | C．how | D．That |
Sit down, Emma. You will only make yourself more tired, on
you feet.
| A．to keep | B．keeping | C．having kept | D．to have kept |
—Bob has gone to Califonia.
—Oh, can you tell me when he ?
| A．has left | B．left | C．is leaving | D．would leave |
The shocking news made me realizeterrible problems we would face.
| A．what | B．how | C．that | D．why |
Maybe if I sicence, and not literature then, I would be able to give you more help.
| A．studied | B．would study | C．had studied | D．was studying |
volleyball is her main focus, she’s also great at basketball.
| A．Since | B．Once | C．Unless | D．While |