There is ________ on the bed.
| A．a pair of trousers | B．a pair of trouser | C．a trousers | D．a pair trouser |
I ______ Mary. This ______ Tom.
| A．am; am | B．is ; is | C．am; is | D．is, are |
--- Is this ______ apple? ---- No, it’s ______ orange.
| A．a; a | B．an; a | C．an; an | D．a, an |
---Could you please help me to take these books there? ---_____.
| A．Fine | B．It’s all right |
| C．No problem | D．I hope so |
_____ he is busy, ______ he helps his parents with the housework on weekends.
| A．Although, but | B．Though, but |
| C．Although, / | D．But, / |
I exercise every day, so I am _____ healthy.
| A．a kind of | B．pretty | C．much | D．many |