The machine is so old ___ it can’t be used any more ___ some of its parts are changed.
| A．as, unless | B．that, unless | C．that ,if | D．whether, or |
Used to TV shows, _____ everything is quick and entertaining, many people do not have the patience to read a book that requires thinking．
| A．which | B．what | C．where | D．when |
Sitting cross-legged in a manner in which the bottom of a foot ______ toward an Arab is a serious insult．
| A．had pointed | B．pointed | C．have pointed | D．is pointing |
Coughing _____ also be used for social reasons, such as the coughing before giving a speech．
| A．may | B．should | C．must | D．need |
Production of less expensive car brands like Chery and BYD means more Chinese can ______ cars．
| A．recover | B．afford | C．maintain | D．produce |
—Jenny, did you see the manager ______?
—If I had been there 5 minutes earlier, I would have met him．
| A．itself | B．him | C．herself | D．himself |