者动作仍然继续下去时，则多用____________________________时。如：aIhavewritte
sixletterssi
cebreakfast从吃早饭到现在我写了六封信。Ihavebee
writi
gletterssi
cebreakfast从吃早饭到现在我一直在写信。bIhavereadthisbook我读过这本书。Ihavebee
readi
gthisbook我一直在读这本书。五．训练评价
根据情景填入合适的单词补全对话AGoodmor
i
gAreyouLiMi
gthe
ew________stude
tsBYesIamA_________tomyclassI
eedtoaskyousomequestio
sHow_______haveyoubee
studyi
gE
glishBForthreeyearsA________doyoulear
E
glishBBecauseIwa
ttotravel_______overtheworldAHaveyoueverbee
to_______E
glishspeaki
gcou
tryBYesIhave
3
fAGoodluckwithyourstudy六．学习反思开心，我学会了：123加油，这些我还不懂：123
4
fr