—— What’s she doing for vacation?——She’s _____ Beijing. 
#41914
A
visiting
B
visits
C
visiting
D
is visiting
推荐题目
— The floor is clean and dry now. Who _______?— Sorry, I don’t know.
#41742
A
mopped it up
B
has mopped it up
C
has mopped up it
D
mopped up it
 The young mother often _________ her child alone at home.
#36220
A
forget
B
forgets
C
leave
D
leaves
 How long have you read this book?_________________.
#40080
A
In 1980
B
Three years ago
C
Since three years
D
Since 1980