Mr. Smith came to Shanghai _________.

Exercise One should be done in class as an example, while the rest ________ as homework. [ ]

It is said that some software on learning subjects for pupils _______ in a very practical way. [ ]

Look at my new watch! — How beautiful!____________, where did you buy it

The biggest problem for most plants, which ___ just get up and run away when threatened, is that animals like to eat them.