When we practice_______ English, we shouldn’t end up _______in Chinese.
| A．speaking, to speak | B．to speak, speaking |
| C．speaking, speaking | D．to speak, to speak |
Don’t be afraid of asking for information ______it is needed.
| A．when | B．after | C．although | D．unless |
I want to know ______ do to help my neighbour.
| A．what I can | B．what can I | C．how I can | D．how can I |
It’s important ______ the piano well.
| A．of him to play | B．for him to play | C．of him playing | D．for him playing |
This kind of food _____ cool, clean and dry according to the instruction.
| A．should be carried | B．must be put | C．should be placed | D．must be kept |
一Have you mended your shoes，Bob? 一Yes , I ______ them twenty minutes ago.
| A．have mended | B．mend | C．had mended | D．mended |