This restaurant has become popular for its wide _______ of foods that suit all tastes and pockets.
At school, some students are active __________ some are shy, yet they can be good friends with one another.
—Derrick, don,t you think you should take a vacation? Even one or two days would be fine. —There's __________. There's too much work.
Cats and tigers are animals of the cat family (猫科动物), so cats __________ tigers in many ways.
The visitors you referred to __________ looking forward to __________ around our school.
Was it in 1969 __________ the American astronaut succeeded __________ landing on the moon?