Thank you for all your hard work last week. I don’t think we ______ it without you.
| A．can manage | B．could have managed | C．could manage | D．can have managed |
Although he knew little about the large amount of work done in the field, he succeeded ________ other more well - informed experimenters failed.
| A．which | B．that | C．what | D．where |
—I’m sorry, I shouldn’t have been so rude to you.
—You ________ your temper but that’s OK.
| A．have lost | B．had lost |
| C．did lose | D．were losing |
．From his ________ voice on the phone I know everything is going under way.
| A．satisfactory | B．satisfying |
| C．satisfied | D．satisfaction |
________ he is ,he seldom shows his precious coins to others.
| A．Coin -collector as | B．As a coin -collector |
| C．A coin- collector as | D．Coin- collector that |
________ all over the hills and around the lake are wild flowers of different kinds.
| A．To grow | B．Growing | C．Grown | D．Grow |