She has been working hard day and night during these years ______ she could pay for the lost necklace.

28、 ______ she has been working in China for only two years, she speaks fluent C

[单选题]She ought to stop working.She has a headache because she( )too long.A.has b

[单选题]She ought to stop working.She has a headache because she( )too long.A.has b

[单选题]She ought to stop working.She has a headache because she( )too long.A.has b

[单选题]She ought to stop working.She has a headache because she( )too long.A.has b

[问答题]She looks very tired, she must have been on night shift.

[问答题]She has been a lawyer since she finished college.

[单选题]D．uring the last few years ,it has been realized that maintenance of programs is more expensive than development, so reading of programs by humans is as important as(73)them.A．editingB．writedC．writtenD．writing

[单选题]D．uring the last few years, it has been realized that maintenance of programs is more expensive than development, so reading of programs by humans is as important as(67)them.A．editingB．writedC．writtenD．writing

[单选题]During the last few years，it has been realized that maintenance of programs is more expensive than development,so reading of programs by humans is as important as (73) them.(73) A．editingB．writedC．writtenD．writing