—Who ________ be phoning us at this time of night?
—It might be your sister.
| A．might | B．can |
| C．dare | D．must |
According to news reports, personal _____of guns in the USA causes a lot of trouble.
| A．wealth | B．possession | C．matter | D．problem |
---I’m afraid I have to give it up．
---Don’t be discouraged．Remember _____ sticks to his work will succeed one day．
| A．anyone | B．who | C．no matter who | D．whoever |
Sometimes smiles around the world ________ be false, hiding other feelings like anger, fear or worry.
| A．must | B．can | C．should | D．would |
In the questionnaire, the subjects are questioned whether they ________ no smoking in the public area.
| A．agree | B．comment | C．advocate | D．conduct |
--- Do you think that the 11th Chinese National Games were a success ?
--- Yes, ___! It couldn’t be ____ .
| A．relatively ; better | B．approximately ; worse |
| C．absolutely ; better | D．fortunately ; worse |