The traffic lane（）suspended.
A: has
B: have
C: has been
D: have bee
A: has
B: have
C: has been
D: have bee
举一反三
- All possible means __________ been tired.Every possible means __________ been tired. A: have，has B: has，has C: have，have D: has，have
- All possible means ，but not a means an obvious effect。 A: have been tried; has B: have tried; has C: has been tried; have D: have been tried; have
- 0ur jumbo boom（）out of use for a long time. A: is B: will be C: have been D: has bee
- A good deal of money ________ spent on books. A: have B: has C: has been D: have been
- Many a young scientist ________ engaged in the research work. A: have B: has C: have been D: has been