—I’m sorry I can’t help you.—________.A.Not at all. B.You are welcome. C.It doesn’t matter.
What is your father doing? _____walking. A.It’s B.He’s C.She’s
Can I speak to your mom,Please? ________ ________ A.Sure B.Thank you C.You are welcome
Can tigers swim?--- ________. A.Yes they can’t B.No,they can’t C.No, they can
what are the elephants doing ?________ drinking A.we’re B.They’re C.It’s
It ______a picture of the Palace Museum. A、had B、have C、has