单选题 Look! A nice picture ____ for our teacher.

单选题 --When ___ this kind of computers ______? --Last year.

单选题 All members ______ are admitted to the auditorium.

单选题 Such electronic tubes ______ in a radio set are also found in a TV set.

单选题 I’ve got a bottle of beer, but I haven’t got anything ____ I can open it with.

单选题 A lot of things ____ by people to save the little girl now.

单选题 Neither of them ______ in China.

单选题 How many trees ____ this year?