21. _______ difficult and challenging the task may be, we must finish it on time, because there is a possibility _______our work will go down in history.
A. Whatever; that B. However; as C. Whatever; which D. However; that
22. ---Where’s our phonebook? I have seen it many times these days, but…
--- OK darling. I _______ it for you if you want it at once.
A. get B. am getting C. will get D. am going to get
