_—Did you visit the Summer Palace?—No.We could have, _______we spent too much time shopping.A.so B but C.ecause D.though
Bicycling is good exercise ;___________, it does not pollute the air.
The island is ___________ attractive in spring and autumn because of the pleasant weather in both seasons.
To be great, you must be smart, confident,and,___________, honest.
Never before ___________ seen anybody who can play tennis as well as Robert.
Jim went to answer the phone. ___________, Harry started to prepare lunch.