His wife _____ to Singapore a few times, and now she ____there for a meeting.
A．has been…has been B．has been…has gone
C．has gone...has gone D．has gone… has been
---Look at the boy running on the playground. Is it David?
---It ________ be him. I saw him go to the teachers’ office just now.
A．mustn’t B．can’t
C．couldn’t D．must
It's Sunday morning. We_______ get up early as usual.
A．haven't to B．hasn't to
C．don't have to D．mustn't
---I don't like the music because I can't sing along with it. ---Me, _______.
A．either B．too
C．also D．but
--- Mum, have you seen my mobile phone?
--- _________you bought last week? I’m sorry I haven’t seen _________.
A．One; it B．The one; it
C．One; one D．The one; one
--- Do you like _______four-D film? --- Yes, it is like _______magic.
A．the; ／ B．／; a
C．the; the D．a; the
