帮我做下英语（ ）3．I Jack playing in the garden． He teachinghimself

帮我做下英语
（ ）3．I Jack playing in the garden． He teachinghimself at that time．
A．think,wasn’t,was B．don’t think,wasn’t ,was
C．don’t think ,was ,was D．think,was,was
（ ）4．One morning while she____in the forest,she found two birds in the grass．
A．was walking B．walked C．is walking D．walks
（ ）5．—What did you do last night?—I____________TV with my friends．
A．watches B．watch C．am watching D．watched