—Do you know what EU stands for, Tommy?
—Sure.It stands for the European Union，________ European political and economic organization that encourages trade and friendship between ________ countries that are members.
| A．an; the | B．a; the |
| C．the; / | D．an; / |
Nobody believed a 92-year-old man could run a marathon_______he passed the finishing line. People of all ages can challenge themselves.
| A．if | B．since | C．until | D．unless |
Harry is feeling uncomfortable. He _______too much at the party last night.
| A．could drink | B．should drink |
| C．would have drunk | D．must have drunk |
I have no idea what _____ while I was asleep.
| A．has happened | B．could happen | C．had happened | D．happened |
—Sorry, I am late.
—That’s OK. You are here, that’s what _____
| A．does | B．counts | C．works | D．stays |
—Where _______?
—I got caught in the traffic, or I would have been here sooner.
| A．did you go | B．had you gone |
| C．have you been | D．were you going |