1.Schools keep _____ for about two months in summer.A.to open B.closing C.closed2.Mary isn't in.I don't know _______.A.when she will come backB.when will she come back3.He was busy these days .He often________.A.stays out lateB.stayed out late.
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![1.Schools keep _____ for about two months in summer.A.to open B.closing C.closed2.Mary isn't in.I don't know _______.A.when she will come backB.when will she come back3.He was busy these days .He often________.A.stays out lateB.stayed out late.](/uploads/image/z/7310645-53-5.jpg?t=1.Schools+keep+_____+for+about+two+months+in+summer.A.to+open+B.closing+C.closed2.Mary+isn%27t+in.I+don%27t+know+_______.A.when+she+will+come+backB.when+will+she+come+back3.He+was+busy+these+days+.He+often________.A.stays+out+lateB.stayed+out+late.)
1.Schools keep _____ for about two months in summer.A.to open B.closing C.closed2.Mary isn't in.I don't know _______.A.when she will come backB.when will she come back3.He was busy these days .He often________.A.stays out lateB.stayed out late.
1.Schools keep _____ for about two months in summer.
A.to open
B.closing
C.closed
2.Mary isn't in.I don't know _______.
A.when she will come back
B.when will she come back
3.He was busy these days .He often________.
A.stays out late
B.stayed out late
.
1.Schools keep _____ for about two months in summer.A.to open B.closing C.closed2.Mary isn't in.I don't know _______.A.when she will come backB.when will she come back3.He was busy these days .He often________.A.stays out lateB.stayed out late.
Ckeep后面用形容词.动词的完成式一般可以做形容词
A宾语从句语序不变
B前面was.后面虽有 often也是 用过去时