Invited talk will be one hour long,followed by a 20-minute question and answer session.( )

I will tell the news to my family______ I come back home. A: the minutes B: minute C: the minute D: by minute

After having switched off the mains separator, wait for ___________ before switching it back on. A: one minute B: at least one minute C: more than one minute D: no more than one minute

in a minute

I’ll come ______ ; in fact, I’ll come the second I'm<br/>through. A: in the minute B: in minute C: in minutes D: in a minute

You can take _______ to 20 minute to get there. A: 2 Bus B: 2 Buses C: Bus No.2 D: The 2 Bus

A 20-minute walk can help you reap the benefits of regular exercise, and it may help improve your cold symptoms as well.

The weather there can be a bit _______- one minute it's blue skies and the next minute it's pouring down.

_________a minute.(Wait a minute)

A standard rule is that each minute of speaking time requires ____of preparation time-perhaps even more, depending on the amount of research needed for the speech.a. 10 to 20 minutesb. 20 to 40 minutesc. one and half hoursd. one to two hours