--Your shirt is so old. Why don’t you bu
题型：选择题
问题：
--Your shirt is so old. Why don’t you buy a new one?
--Because I ______________ all my money on the new computer.
A．spend
B．have spent
C．am spending
D．was spending
--Your shirt is so old. Why don’t you buy a new one?
--Because I ______________ all my money on the new computer.
A．spend
B．have spent
C．am spending
D．was spending