Great Britain is one of the countries ____ people drive on the left.
| A．where | B．that | C．which | D．there |
I think AI （人工智能） in many fields will to help us solve many problems in the future．（ ）
A．used, be usedB．is used, be used
C．used, useD．is used, use
If your friend sends you a message to borrow money from you on the Internet, you'd better call him first to make sure of that．（ ）
A．recentlyB．finallyC．hardlyD．directly
Paul, do you prefer weekdays or weekends？
Weekdays, of course． I'm on weekends．（ ）
A．busyB．much busier
C．more busierD．the busiest
Last summer holiday, I didn't go anywhere． How boring!
． But I'm going somewhere for a holiday this summer．（ ）
A．Neither I didB．Neither did I
C．So did ID．So I did
I tried several ways to work out the math problem, but of them worked．
Never give up． I believe you'll make it．（ ）
A．allB．eachC．noneD．neither