He tried his best to solve the problem, ________ difficult it was．
| A．however | B．no matter |
| C．whatever | D．although |
There were over 1,000 people in need of food,so the government made a(an)___decision that 20,000 bags of rice should be sent to that area
| A．urge |
| B．urgent |
| C．slow |
| D．vital |
Madonna___a straight-A student,but it was dancing that she was really crazy about
| A．must be |
| B．could be |
| C．must have been |
| D．could have been |
—___he have been chosen as captain of our school football team?
—Yes,he___.Can’t you see he’s wearing an armband(袖标)?
| A．Can;can |
| B．Must;must have |
| C．Can;must have |
| D．Must;must |
We were late;___,the film wan’t very good
| A．anyhow |
| B．actually |
| C．however |
| D．though |
Her persistence was___when the car finally started
| A．awarded |
| B．rewarded |
| C．prized |
| D．paid |