15.You can go with them if you _______.
| A．want to go | B．want to do | C．want | D．want to |
______ after a long walk, Henry called and said he couldn’t come．
| A．Having worn out | B．Being worn out |
| C．To wear out | D．Worn out |
At the age of six, my son _____ ask me a lot of strange questions, and some of them were too hard to answer．
| A．would | B．should | C．must | D．might |
When you rewrite the paragraph, I advise you to _____ the last sentence as it is rather misleading．
| A．point out | B．make out | C．leave out | D．put out |
Oh, what a pity! It ____ so easy for me to bring those photographs I wanted to show you, but I ____ them at home．
| A．would have been, have left | B．would have been, had left |
| C．had been, left | D．was, left |
----- Why did you eat your words, Billy?
----- Sorry, dear．But I really forgot where I was _____ to meet you．
| A．demanded | B．imagined | C．supposed | D．guessed |