Ⅰ单项选择(每小题3分，共30分）
（ ）1.With a lot of work _______ , I cannot go out with you.
A. doing B. done C. to do D.having done
（ ）2. His speech made a deep _______ on the audience.
A. impressed B. impression C.impressive D.impress
（ ）3. She was soon out of _______, but went on running.
A. breathe B. breathing C. breathed D. breath
（ ）4. Keeping a diary in English is one of the effective ways______our English writing ability.
A. improving B. to improve C.improved D. improvement
