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Khoang trong dap an dung cho moi cau
1The worker..........a new house right now
a,are building   b,am building    c,is builing      d,buil
2Tom..........two poems at the moment
a,are writing    b,are writeing     c,is writing      d,is writeing
3The chief engineer..........all the worker of plant now
a,is instructing   b,are instructing    c,instructs      d,instruct
4He...........his pictures at the moment
a,isn"t paint     b,isn"t painting   c,aren"t paiting      d,don"t paiting
5We.........the  hersh in the garden at present
don't plant    b,doesn"t plant      c,isn"planting    d, aren"t planting
6They.......he artificial flowers of silk now?
a,Are.....makeing      b,Are ....making     c,Is.......makeing   d,Is ......making
7Your father.......your motorbike at the moment
a,is repairing      b,are repairing     c,don't repair   d,doesn't repair