He unbuttoned his shirt to （) a big scar on his chest.

In product introduction or demonstration, if the listener is not sure about why he/she needs the product, presenters can refer to their own experiences, such as what problems they solved via using the product and how the product benefited them.()

He suggested tht we ____ the pln lter, which suggested tht he ____ginst it.discuss; ws B．would discuss; sh

A．discuss; was

B．would discuss; should be

C．discussed; was

D．should discuss; should be

A．the higher return, the more the risk

B．the older the person gets, the less risk he should face

C．the greater the asset portfolio, the higher the return

D．investors should speak to their investment advisor

He tried to cover up his ______ . (nervous)

He began to work in a factory when he was still ______.

A) in his teen B) in his teens

C) in teen D) in teens

He is much ______ (fit)and ______ (strong)than his brother.

He picked up his hat and went away.()