A red sky in the morning ______ to be a sign of bad weather.
| A．says | B．is saying |
| C．has said | D．is said |
I have promised that my daughter _______ get a new electronic dictionary on her next birthday.
| A．should | B．must | C．shall | D．would |
Good news! The price of all those second-hand goods is ________ before.
| A．30% as lower as | B．30% lower than |
| C．lower 30% than | D．as 30% low as |
Students in English-speaking countries usually address their man teacher ‘sir”, but __________ their woman teacher “madam”.
| A．seldom they address | B．do they seldom address |
| C．seldom do they address | D．they seldom do address |
I am _______ about what I say because careless remarks are likely to hurt others’ feelings.
| A．absurd | B．concerned | C．guilty | D．cautious |
They discussed the issue of the world’s climate in Durban, South Africa several times but could come to no ________.
| A．end | B．conclusion | C．result | D．judgment |