A.第二级B.第三级C.第四级D.第五级
单项选择题—Would you like to play basketball with us —Yes, I'd love to. ______ I'm afraid I have no time.
单项选择题20().
A. even if B. on condition that C. in case D. in time
单项选择题19().
A.extra B.useful C.special D.excellent
单项选择题18().
A.displease B.surprise C.cheat D.worry
单项选择题17().
A.ran B.escaped C.drove D.went