A lot of people as well as the president of the animal protection association ____________ experiments on animals.

Listening attentively in class and reviewing in time _______ a sure way to improve your learning, and this is especially true _______ it comes to standard tests.

In this hotel, the bread and butter ______served for breakfast. Meanwhile, a knife and fork _____very useful for a foreigner.

“All _____ present and all _____ going on well.” our monitor said.

 I think maths ____ very interesting.