--Don't be so disappointed.I’m sure that you can do better in the next exam.
--Yes, but I ____ this time.
| A．should be more careful | B．could be more careful | C．should have been more careful |
| D．must have been more carefully |
Written in a hurry, ________. How can it be satisfactory?
| A．they found many mistakes in the report |
| B．Sam made lots of mistakes in the report |
| C．there are plenty of mistakes in the report |
| D．the report is full of mistakes |
Is ________48 hours________ the man- made satellite ________ is made in our country to orbit the planet around?
| A．it; that; where | B．it; when; what |
| C．it for; that it takes; that | D．it; that it takes; which |
Use your head! Nothing taught by others can have the same effect on you as ________learned by yourself．
| A．those | B．what | C．that | D．the one |
— You didn’t invite John to the party?
— ________ him, too?
| A．Should I invite | B．Should I have invited |
| C．Must I invite | D．Must I have invited |
My grandmother had________ over 50, 000 when she was sixty- five years old.
| A．put away | B．put back | C．put out | D．put down. |