So difficult ___it to work out the problem that I decided to ask Tom for advice．
| A．I did find | B．did I find | C．I have found | D．have I found |
– At first he was not good at playing basketball but after a long time of training hard, he stood out.
– It’s easy to understand, ____________________.
| A．Make hay while the sun shines. |
| B．Practice makes perfect. |
| C．The early bird catches the worm |
| D．Actions speak louder than words. |
It is __________ you do rather than __________ you say __________ matters.
| A．what; what; that | B．that; what; that | C．what; that; what | D．what; that; that |
–Where did you get to know her?
–It was on the farm __________ we worked.
| A．that | B．there | C．where | D．which |
__________ we had read your letter __________ the true state of affairs.
| A．It was until; that we understood | B．It was not until; we understood |
| C．Until; did not we understood | D．Not until; did we understood |
To his disappointment, the opinion he tried to stick __________ wrong.
| A．to prove | B．to proving | C．to was proved | D．to proved |