--When _____ the abacus _____? -- In the sixth century by the Chinese people.
A.is, invented | B.did, invent |
C.was, invented | D.does, invent |
—Sarah feels cold. What does she should do?
—______________.
A.She Should take a deep breath |
B.She should go swimming |
C.She should wear warm clothes |
D.She should see a doctor |
_____ worry, little Tom. I’ll help you.
A.Don’t | B.Doesn’t | C.Are | D.Do |
—______ does Bill feel?
— He is worried.
A.What | B.How |
C.Where | D.Who |
Let’s ____ Chinese together.
A.study | B.studying |
C.studies | D.Studys |
How many ____do you have?
A.hobby | B.hobbies |
C.hobbys | D.a hobby |