If you ride your bike too fast, there may be ______ accident. [ ]A. a B. the C. an D.不填

Excuse me. If your call’s not too urgent, do you

（) is too difficult if you put your heart into it.

Why does the man ride a bike to work？A．He thinks subway is too expensive.B．His house is no

"Can I borrow your bike？"______ "You have a bike."A．is synonymous withB．is inconsistent wi

—Do you think I could borrow your bike?—________.A.Yes you may borrowB.Yes you could C.Yes help your

Should you jog too? If you do be sure to ask your doctor for _________ .