Not everybody knows exercising too much can_________ serious pain and even injuries.
| A．attach to | B．attend to |
| C．contribute to | D．devote to |
To understand the grammar of the sentence, you must break it ___________ into parts.
| A．up | B．down | C．off | D．out |
Only that factory ____________ yesterday __________ this kind of machines.
| A．we visited; produces | B．did visited; does it produce |
| C．we visited; does it produce | D．did we visit; produce |
The result of this examination will be _____________ tomorrow.
| A．published | B．declared | C．announced | D．opened |
You can’t imagine that a well-behaved gentleman __________ be so rude to a lady.
| A．must | B．would | C．should | D．could |
---- Who is _______________ the patient?
----- Maybe his sister.
| A．taking care | B．looking for | C．joining in | D．attending on |