一、单项选择 (本题共15分，每小题1分)
1. Last year I got ____ opportunity to speak in the city speech contest.
A. a B. an C. the D. /
2. --- _______ do you study ______ a math test? --- By asking for the teacher.
A. How; for B. How; by C. What; for D. What; by
3. —I’m worried. I don’t know how ________ writing．—Don’t worry！Why not ________ a pen pal？
A．learn，to find B．learn，find C．to learn，find D．to learn，to find
4. He spent two hours ______ his homework last night.
A. to do B. doing C. did D. do
5. Jim used to be quiet，but now he is ________．
A．smart B．outgoing C．short D．serious
