They thought ________ important to look left and right when ________ the road.
| A．it’s, cross | B．it, to cross |
| C．it, crossing | D．it was, to cross |
______healthy，you should take more exercise and eat more healthily .
| A．Keep | B．To keep | C．Keepng | D．Kept |
The expressions they use might whom they are speaking to or how well they know each other.
| A．instead of | B．lead in to |
| C．because of | D．depend onwww- |
The machine doesn’t work .I think it needs _____.
| A．to mend | B．mended | C．mending | D．mends |
On my way home,I pass a fruit shop every day.
| A．to,by | B．to,past | C．\, by | D．of, for |
I have great_____ in learning math and I am so worried.
| A．trouble | B．interest |
| C．fun | D．problem |