joan often ---------- (catch)the no.11 bus to work .
tom often -----------(go)to school by bus.
----------your sister often------(go) shopping
what -----he ----(do) in 1990?he------(be)an office worker.
everyone in my family-----(be)busy now.but my brother ----(piay)with the cat.
很想采纳你为最佳答案,但只能有一个。6楼的分析更好一点!