问题
We _____ more than 1,600 words since we began to learn English.
A:learn
B:have learned
C:learned
D:are learning
B:have learned
C:learned
D:are learning
正确答案是：
同类题型
The story is very interesting, so most of us like it.
I _______ keep dogs for protection, but now I keep them as pets.
Look at the photo. The girl beside _________ is Nancy.
Did you see a girl with an English book pass by just now? — No, sir. I _______ a magazine.
His parents always like to compare him _____ his classmates. [ ]