问题:
—What ________ your brother ______ last weekend?
—He visited his friends.
A.are /doing
B.is /doing
C.does /do
D.did / do
—What ________ your brother ______ last weekend?
—He visited his friends.
—He visited his friends.
A.are /doing | B.is /doing | C.does /do | D.did / do |
参考答案: