作业帮如下两题：1.2.分析两题考点及涉及的知识点.
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如下两题：1.2.分析两题考点及涉及的知识点.
1.Jim has made many friends since ( )to China in 1999.
A.came B.comes C.has come D.has came
2.－How is your grandfather?
－He( )for 5 years.
A.die B.was dead C.has died D.has been dead
1.Jim has made many friends since ( )to China in 1999.
A.came B.comes C.has come D.has came
2.－How is your grandfather?
－He( )for 5 years.
A.die B.was dead C.has died D.has been dead
since后跟一个时间点
A came 他1999年来的中国
2 D
die 是短暂动词
for 5 years 需要用完成时
has been bead 是状态
A came 他1999年来的中国
2 D
die 是短暂动词
for 5 years 需要用完成时
has been bead 是状态