Hearing this, tears came to my eyes as I realized ________ a fool I had been to judge him to be honest.
| A．how | B．that | C．what | D．why |
Under no circumstances _________ lend Paul any money.
| A．you should | B．you shouldn’t | C．should you | D．should you not |
------ Why does the lake smell terrible?
------ Because large quantities of water _________.
| A．have been polluted | B．has polluted |
| C．have polluted | D．has been polluted |
I ________ through that bitter period without your generous help.
| A．couldn’t have gone | B．didn’t go | C．would go | D．hadn’t gone |
By the time Jack returned home from America, his son __________ from college.
| A．graduate | B．has graduated | C．had graduated | D．had been graduated |
She was good at physics _________she found it boring.
| A．despite | B．in spite of |
| C．in spite the fact that | D．despite the fact that |