21. ---- ____________ he has known the good news.
---- ______ is no wonder he is so excited.
A. It is likely that; It B. It is probably that; There
C. He is likely that; There D. He is possible that ; It
22. ----There is no more than one washing machine of that kind left in the shop. What about going and buying ____?
----No, I prefer to find _____ in other supermarkets.
A. it; it B. one; it C. it; one D. one; one
23. It is in the west of China _____ there is no doubt _____it is going to rain tomorrow.
A. where; whether B. that; that C. that; whether D. where; that
24. Last night the order came that all those infected with the deadly disease ________.
A. was separated B. should separate C. be separated D. were separated
