It is not enough only_______the rules of grammar if you want to learn English well.
| A．keeping in the mind | B．to keep in mind |
| C．to keep in your mind | D．keeping in your mind |
Bob’s salary is three times ______, so John admires Bob very much.
| A．as high as that of John | B．as bigger as that of John |
| C．as high as John | D．as much as John |
You can complain, but I doubt _____ it’ll make any difference.
| A．if | B．what | C．that | D．how |
This problem is far _____ me. I can’t work it out on my own.
| A．over | B．above | C．from | D．beyond |
You ______ worry about their safety. They are old enough to take care of themselves.
| A．mustn’t | B．needn’t | C．can’t | D．wouldn’t |
Della had only one dollar and eighty – seven cents Jim, her Husband, a Christmas present.
| A．to buy | B．which to buy | C．for him to buy | D．with which to buy |