1．Thank you for sending us _____ fresh vegetables．You have done us _____ great service．
A． the; a B. 不填; the C．不填; 不填 D．the; 不填
2．—Some countries are taking action to occupy the islands of the South China Sea.
—Yes, but I think they ____be punished sooner or later.
A. could B. can C. may D. shall
