21. ---- This is ________ picture I told you about.
---- I see. Isn’t it _________ beautiful one?
A. a; a B. the; a C. the; the D. a; the
22. ----I think we can do it tomorrow. Not now.
----______! Let’s get down to it.
A I’m sorry. B. Come off it. C. You are dead right. D. Absolutely
23.With his mother him, he is getting on well with his work.
A. helped B. to help C. helping D. helps
