When I was younger, I’d often go for _____ drive with some friends, purely for _____ enjoyment of it.
| A．a; an | B．a; the | C．the; / | D．/; the |
It was with great joy the couple found their missing son after 18 years.
| A．when | B．that | C．what | D．which |
What ______ the doctors most was that they could not find the cause of the disease.
| A．astonished | B．puzzled | C．surprised | D．amused |
_____ their hats into the air, the fans of the winning team let out loud shouts of victory.
| A． To throw | B．Thrown | C．Throwing | D．Being thrown |
On the annual International Volunteers Day, the world _____ the work of millions of people who give their time to help others.
| A．abolishes | B．accompanies | C．acknowledges | D．appeals |
It was____to watch small childen play games.
| A．pleased | B．pleasure | C．glad | D．fun |