24. —Mr Smith, ______ John ______ this week? A friend of his is coming to see him this afternoon.
—No. He is on holiday.
| A．has; worked | B．is; working | C．did; work | D．does; work |
With the help of the collected money, subways can be built sooner and better, _______ brings convenience to citizens.
| A．as | B．what | C．who | D．which |
We spent hours driving and another few hours waiting, only _________ that the plane would be delayed until midnight.
| A．to be told | B．having told | C．to have been told | D．told |
In the experiment we kept _____ watchful eye on ______ developments and recorded every detail.
| A．a; / | B．/; the | C．a; the | D．/;/ |
I remember the time _____ Eric won that speech competition.
A where B why C when D which
You like travelling, _____ you?
A don’t B won’t C didn’t D haven’t