In the Olympic Games, only athletes who have reached the agreed standard for their ____ will be allowed as competitors.
| A．event | B．course | C．outline | D．schedule |
—Do I need to give a tip if I eat at a fast food restaurant in the United States?
—Yes , it’s a commonto tip waiters in a restaurant.
| A．sense | B．custom | C．method | D．practice |
There is argument on the spreading easy access to Internet.
| A．不填，the | B．an;the | C．the;an | D．the;不填 |
—Hey，you haven't been acting like yourself．Everything is OK?
—.
| A．Sure, it is | B．I'm fine，thanks | C．That's good | D．It's a pleasure |
Cheer up! Everyone may have periods in their liveseverything seems tough．
| A．which | B．where | C．when | D．that |
．piano is her main focus，she's also great at guitar．
| A．Since | B．Once | C．Unless | D．While |