You should make an ____ plan in case anything unexpected happens.
A. active B. alternative C. convenient D. economic
The girl tried to escape after the theft, but having found that, the shop assistant seized her _____ the hair.
A. in B. with C. by D. at
Mark Zuckerberg is the founder of the site Facebook , ______ you can have a look at each other’s pictures.
A. where B. which C. when D. as
It surprised us all ______ Kate made such big progress in this final exam.
A. when B. that C. how D. whether
_______ ninety-nine percent of the panda’s diet is bamboo, it also eats corn, apples and sweet potatoes.
A. If B. While C. Because D. Since
The manager demanded that the workers extra hours to complete the task ahead of time.
A. worked B. would work C. work D. had worked
