问题

Over the past couple of years, a variety of talent shows______on TV channels across the nation, from Super Girls to Happy Boys
A:appeared
B:had appeared
C:have appeared
D:were appearing
B:had appeared
C:have appeared
D:were appearing
正确答案是:
同类题型
_______ another career but, at thetime, he didn’t have enough money to attend school.
I lost my bike yesterday and had to walk home. —______________.
Now more and more people __________ the importance of their health, so they exercise every day.
________ is she ____________ — Her husband and her children.