Are the boys looking at the blackboard? Yes,they____.
A. aren't
B. do
C. don't
D. are
There's____girl,she is very tall.
A. second
B. two
C. a second
D. all second
--Do you have a red pen?Which of the following is wrong?____.
A. Yes; I have one
B. Yes,I have it
C. Yes,I do
D. Sorry,I don't
--Excuse me.May I borrow a pen,please?____.
A. It doesn't matter;
B. Thank you;
Certainly,here you are;
D. Not at all.
微信支付 
支付宝支付