A.paid for | B.pays for | C.should pay for | D.had paid for |
A.should | B.could | C.must | D.shall |
A.shouldn’t follow | B.was following | C.has been following | D.mustn’t follow |
A.ought to | B.should do | C.should have written | D.should have |
A.arrived | B.had arrived | C.would arrive | D.would have arrived |
© 2017-2019 超级试练试题库,All Rights Reserved.