若（2+i）（b+i）是实数（i是虚数单位，b是实数），则b=（　　）

A．1

B．-1

C．2

D．-2

动词填空

根据括号中所给动词的正确时态、语态或不定式形式填空。

小题1:Did you make him _____ (drink) a glass of water?

小题2:It’s hot. You’d better             (not put) on your coat.

小题3: Can the work               (finish ) soon?

小题4:We          (plant ) many trees last year .

小题5:They             (plan) a trip to Disneyland at this time yesterday .

小题6:There ________(be) a football match between the two countries on TV next week.

小题7:       you        (have) English classes every day ?

小题8: I           (teach) here since I finished school.

小题9: He said that he                      (buy) a new bike for me the next Friday.

小题10: By the time he got there, the bus       already        (leave).