Smoking will_______ your health.
| A．be good for | B．good at | C．be bad for | D．bad at |
-do you go to work every day?
-By bike.
| A．What | B．Who | C．How | D．When |
---have you been in Beijing?
--- For about ten years.
| A．How long | B．How many times | C．How much | D．How soon |
--- Why do you want to be a lawyer?
--- If l become a lawyer, I help people.
| A．will can | B．am able to | C．will be able to | D．was able to |
He's been collecting stamps _he was eight years old.
| A．when | B．while | C．and | D．since |
-Is your brother running in the park? -No,is swimming in the river.
| A．she | B．his | C．her | D．he |