He is always helping people without expecting anything _____.
A．in common B．in turn C．in danger D．in return
If a shop has chairs _______ women can park their men, women will spend more time in the shop.
A．that B．which C．when D．where
I bought a dress for only 20 dollars in a sale; it was really a good ______.
A．advantage B．advertisement C．market D．bargain
We can never expect________bluer sky unless we create________less polluted world.
A．a; a B．a; the C．the; a D．the; the
The couple look very excited，because their only son has been _______to Hong Kong University.
A．entered B．permitted C．agreed D．admitted
We’ll take a honeymoon trip to Venice. Would you like to _____ my dog for me while we are away?
A．look at B．search for C．watch over D．care about
