Question

---Why did you stop writing? --- I _____ my writing paper. A．ran out of B．have been used up.

---Why did you stop writing? --- I _____ my writing paper. A．ran out of B．have been used up C．have used up of D．have run out

Answer 1

A

这题考查词组：run out of“用完”，句意是;我的作文纸用完了。B项use up也是“用完”，但不是被动，D项run out是不及物动词短语。选A。