单选题 If many people were invited, it’s OK to arrive a little late, even as much as half an hour late.

单选题 It was refused several times before she found a London agent who sold the story to Bloomsbury Children’s Books.

单选题 If it turns out to be that the effect is indeed larger for younger students, we think it could be important.

单选题 You would often receive a written invitation to a wedding ceremony.

单选题 Another way that camouflage is used is to pretend to be something that you are not.

单选题 The turtle can pull its legs and head inside the shell and close up the shell tightly so nothing can get inside!

单选题 People gather in squares, main streets or on the river banks to listen to bands playing and to see wonderful fireworks displays.

单选题 They used one pen filled with ink that made real marks.

单选题 The scientists say the dolphins turned and positioned themselves to get a better look in the mirror.