1.Do you travel a lot?Have you ever traveled to South Africa?
Yes,a lot of___.And I spent alot of___there this summer.
A.times;times. B.time;time C.times;time
2.Let's go for a walk,Jim!
Sorry.I'm___my homework.
A.depending on B.working on C.caring for
这两道题选什么,为什么,谢谢请说清楚些.....