第一节：单项选择(共25小题；每小题1分，满分25分)
21. I won't attend his birthday party, invited to.
A. even B. ever since C. as if D. even if
22. She _______ the English club at an early age.
A. joined in B. took part in C. joined D. attended
23. It takes us _____ money to buy this new house.
A. a great number of B. a great deal of C. a great many D. a great deal
