Measures must be taken to prevent pollution ________ happily.
| A．from we live | B．for us to live | C．us living | D．from our living |
26. It is usually not quite cold in this area in March, but sometimes the temperature ______be very low.
| A．can | B．should | C．must | D．shall |
25. Welcome to the Historical Museum, everyone! This stone knife _______ in South Africa and experts can’t be exactly sure about its use.
| A．had been found | B．was found | C．has been found | D．would be found |
24. —Mary looks hot and dry.
—So _________ you if you had so high a fever.
| A．do | B．Are | C．will | D．Would |
23. If the man is only interested in your looks, _________ just shows how shallow he is.
| A．Who | B．which | C．what | D．That |
22. Jason didn’t turn up yesterday, because he was out on business. We all felt sorry ___ him.
| A．without | B．For | C．except | D．To |