It shows that____ knowledge of first aid can make a real difference.
| A．a | B．the | C．one | D．/ |
Don't be joking. It's time to____________ your business.
| A．set out | B．take up | C．go on | D．get down |
It may not rain, but you had better take an umbrella__________.
| A．in case | B．as well | C．as least | D．in need |
I'd like to be a professional singer, but I don't think I've got
| A．a good voice enough | B．a good enough voice |
| C．a voice enough good | D．an enough good voice |
___________she was invited to the ball made her very happy.
| A．If | B．That | C．When | D．Because |
He__________ he would be able to leave tomorrow, but it's beginning to took difficult.
| A．hopes | B．was hoping | C．had hoped | D．hoped |