Don’t touch the machine_________ the teacher allows you to.
| A．if | B．unless | C．since | D．that |
— How often do I need to feed the dog?
— It ________ food every day, or it will be hungry.
| A．must give | B．must be give |
| C．must gave | D．must be given |
My friend and I are interested in drawing, but ________ of us is good at it.
| A．neither | B．both | C．none | D．All |
— Is Jack in the next room?
— Well, it’s hard to say. But I heard him ________ loudly when I passed by just now.
| A．speak | B．to speak | C．spoken | D．Speaking |
— Dick, ________ I use your e-dictionary?
— Yes, sure. ________ you give it to David after you use it?
| A．will; Would | B．may; Might |
| C．can; Could | D．shall; Should |
Li Ming used________ on the right in China, but he soon got used ________ on the left in England.
| A．to drive; to drive | B．driving; driving |
| C．to driving; to drive | D．to drive; to driving |