It is no use _____ such mistakes. You should learn a lesson from them.
| A．regret to make | B．regretting to make |
| C．to regret making | D．regretting making |
----- I tried my best.
-------Yes, but ______ .
| A．the boss didn’t seem satisfied | B．the boss seemed that he was not satisfied |
| C．it seemed not to have satisfied | D．it looked that the boss was not satisfied |
It passes through their bodies, only _____ a little thicker and sweeter.
| A．getting | B．to get | C．got | D．having got |
If you _____ it , I will lend the book to you.
| A．read | B．will read | C．have read | D．were reading |
The cost of oil is less than _______ of gas.
| A．it | B．one | C．the one | D．that |
He is too careless and he _______ keys.
| A．always lost | B．always loses |
| C．is always losing | D．will always lose |