Although the weather changed, the picnic went ahead as planned.

A. The children seemed unhappy because they were very poor.

B. The children were very poor, so they seemed happy.

C. Despite their poverty, the children seemed happy.

D. The children seemed happy whether they were poor or rich.

A. He requested me not forget to go to the supermarket after work.

B. He asked me not to go to the supermarket after work.

C. He told me that I shouldn’t go to the supermarket after work.

D. He reminded me to go to the supermarket after work.

A. Despite they were old, they worked very hard.

B. Although they were old, they worked very hard.

C. Though they were old age, they worked very hard.

D. Even though they old, they worked very hard.

A. We never used to go to the concert.

B. It’s two years since we went to the concert.

C. We didn’t go to the concert two years ago.

D. We are used to going to the concert.

A. The school was being built in 1990.

B. The school was built in 1990.

C. The school was building in 1990.

D. The school which was built in 1990.

A. The last person to leave the room must turn off the lights.

B. The last person to turn off the lights must leave the room.

C. The last person to be left the room must turn off the lights.

D. The last person leave the room must turn off the lights.