21．—I wonder whether the speaker has arrived．
— ________ ，I'll check at the reception desk．
A．Wait and see B．Beg your pardon
C．If you'll excuse me D．It's still early
22．He came here by ________ way of London．In ________ way his health is much improved，but he is still not really well．
A．a; a B．/; a
C．the; the D．a; a
