根据句意，用括号里所给单词的适当形式填空。
小题1:—Every year thousands and thousands of ________(tour) from all over the world come to visit Beijing.
—Right. Beijing is really a beautiful city.
小题2:—Dad, I need a ________(record) to help me learn English. Could you buy one for me?
—Oh, let me see.
小题3:After ten years’ hard work, Mr. Wang now has no difficulty (communicate) with English speakers.
小题4:—Would you mind giving me some advice on how to improve my ________(pronounce)?
—Certainly not.
小题5:It’s important for us students to master some ________(base) computer skills.
