A.The workers at the factory shouldn’t wear protective clothing.
B.The workers at the factory must wear protective clothing.
C.The workers at the factory needn’t wear protective clothing.
D.The workers at the factory may wear protective clothing.

A.The workers at the factory shouldn’t wear protective clothing.
B.The workers at the factory must wear protective clothing.
C.The workers at the factory needn’t wear protective clothing.
D.The workers at the factory may wear protective clothing.

A.Soil pollution is reported to have posed a serious threat to the livelihood of many local farmers.
B.It has been reported that soil pollution has actually put many local farmers' lives at risk.
C.It is reported that the livelihood of many local farmers has led to serious soil pollution.
D.The livelihood of many local farmers was reported to be seriously endangered by soil pollution.

A.The doctor suggested that I do exercise and eat more vegetables.
B.The doctor told me to do exercise and eat more vegetables.
C.The doctor had me to do exercise and eat more vegetables.
D.The doctor reminded me to do exercise and eat more vegetables.

A.heat
B.sweat C. seat D. meat
C.
D.

A.beneficial
B.costly C. valuable D. worthy
C.
D.

A.would have joined
B.will join C. had joined D. would join
C.
D.

A.given official permission
B.appointed a taskC. given an opportunity D. made allowance for
C.
D.

A.They will have to go to the police station.
B.They will have to have a meeting with the bank manager.
C.They will need to see the security guard.
D.They will have to borrow money from the bank.

A.branches
B.customers C. people D. well-known banks
C.
D.