--When _____ the abacus _____? -- In the sixth century by the Chinese people.
#44867
A
is, invented
B
did, invent
C
was, invented
D
does, invent
推荐题目
— It’s difficult for the village children to cross the river for school.— I hear a new bridge _______ over the river in a year.
#44816
A
was built
B
is being built
C
has been built
D
will be built
— Food problem is becoming a big one in China! —I think the food ________ before going to shops or supermarkets.
#44566
A
is checked
B
is checking
C
should be checked
D
should check
It is said that Chinese people_________ to travel to Hongkong freely next year.
#44418
A
are allowed
B
allow
C
will allow
D
will be allowed
People who drink wine ____________ to drive after May Day.
#44515
A
don’t allow
B
isn’t allowed
C
mustn’t allow
D
mustn’t be allowed
--- How beautiful your school is！-- Yeah, it to be one of the most beautiful schools in our city.
#44643
A
thinks
B
is thought
C
isn’t thought
D
doesn’t think