一、单项选择
1.Can you play ________ erhu?
A.a B.an C.the D./
2.Do you have toys? I'd like to buy _______ for my cousin.
A.it B.one C.this D.that
3.Look! It's a picture ________ my family.
A.of B.on C.after D.with
4.Let's ________ a picnic. It's a fine day.
A.have B.to have C.has D.having
5.—Who dances well, Bob?
—________.
A.No problem B.It's up to you to decide
C.Not at all D.It doesn't matter