Our classroom is very clean and tidy because it ______ every day．（ ）
| A． |
cleans |
B． |
cleaned |
| C． |
was cleaned |
D． |
is cleaned |
﹣﹣Tell him ______ tomorrow，please．
﹣﹣OK．（ ）
| A． |
come |
B． |
to come |
C． |
comes |
D． |
coming |
Robots ______ more heavy work for us in the future．（ ）
| A． |
did |
B． |
will do |
C． |
have done |
D． |
were doing |
Who is ______，Tony，David or Andy？（ ）
| A． |
short |
B． |
shorter |
C． |
the shortest |
D． |
shortest |
﹣﹣Would you like something to drink？
﹣﹣Yes，please．I'd like some ______．（ ）
| A． |
beef |
B． |
juice |
C． |
fish |
D． |
bread |
Look!There ______ many boys on the playground．（ ）
| A． |
was |
B． |
were |
C． |
is |
D． |
are |