I could have helped the old man ______ yesterday morning.
| A．did I come | B．if I came | C．had I come | D．if I should come |
_____ it with me and I’ll see what I can do.
| A．Leave | B．Leaving |
| C．If you leave | D．When left |
_____ through this book and tell me what you think of it.
| A．Look | B．Looking |
| C．To look | D．Having looked |
_____ me, and then try to copy what I do.
| A．Watch | B．Watching |
| C．To watch | D．Have watching |
_____ the milk and set a good example to the other children.
| A．Drink | B．To drink |
| C．Drinking | D．Having drinking |
_______ to the top of the hill, and you can see the whole of the town.
| A．Get | B．To get |
| C．Getting | D．Having got |