【小题1】Plastic is a widely used ____________.(材料)
【小题2】There are many students _______(毕业) from high school every year.
【小题3】He is always looks_________ even in defeat.(乐观的)
【小题4】It took us all day to reach our ____________(目的地)．
【小题5】I will go if my health ___________(允许)．
【小题6】Always ask for a _________(收据) from a taxi driver so that you can complain if you have been over-charged.
【小题7】This wounded soldier was _________（无意识的）from his loss of blood.
【小题8】I think you should go back to your ______(最初的)plan.
【小题9】The price of this type of computer ________（变化）in different shops.
【小题10】They sat on the hillside, __________ (凝视)out across the valley.