In America, if ________ friend has invited you to drop by anytime, it is ________ best to call before visiting to make sure it is convenient for him.
| A．a; a | B．the; a | C．a; 不填 | D．the; 不填 |
Her composition is well written ___ some spelling mistakes.
| A．except | B．besides | C．beside | D．except for |
"You ____be so tired that you had to stop to rest．"
| A．should | B．can't | C．must | D．mustn't |
He must have finished the work yesterday, ____ he ?
| A．mustn't | B．haven't | C．didn't | D．hasn't |
Is there a shop aroun ____ we can buy some toilet articles?
| A．that | B．which | C．where | D．what |
He must have lived here for 10 years, ____ he?
| A．mustn't | B．haven't | C．didn't | D．hasn't |