She learned how to ride a bike _________ at the age of 6.
| A．for herself | B．on herself |
| C．by herself | D．with herself |
We should talk in English as ______ as possible.
| A．much | B．many | C．more | D．a lot |
Please try ______ English if you want to learn English well.
| A．practise | B．to practise | C．practicing | D．practices |
He ______ be a history teacher.
| A．used to | B．be used to | C．use to be | D．be use to |
We had a lot of delicious food ______ the picnic.
| A．on | B．in | C．at | D．of |
Who does this T-shirt belong ______?
| A．in | B．on | C．to | D．of |