Historically, ________ main material for making tables has been wood, but ________ metal and stone have also been used.
The way you write for people can _________ whether or not they believe you. You need to strike a balance between being polite and formal and getting _________on your side.
The explorer got a disease in blood for the _______ of fresh vegetables and fruit.
If your writing is interesting you'll pick up more marks. If your writing is _________, you _________.
Compare yourself now with _________ and try to exceed(超越) past achievements so that you can make progress step by step.
To achieve your goal,_________ yourself and your direction _________ the most important thing.