( ) This ______ my mother.
A. is B. are C. am
Let ________ clean the blackboard.
A. I B. me C. our
Can I ____ some noodles, please?
A. like B. has C. have
Give me ________ pens.
A. two B. an C. a
How many _______can you see?
A. apple B. cats C. dog
从中选出能对的句子作出正确反应的答语
（1）What’s thirty-three minus fifteen?
（2）What’s the time now?
（3）Are you sure?
（4）What’s your favourite colour?
（5）Whose toy boats are these?