______ I should fail again, I will not give up the experiment.

A． Even so

B． Although

C． Even if

D． Though

But if I ______, I would try again.A. should failB. would failC. failedD. had fa

[单选题]I should ______ him up to tell him the information.A． callB． callingC． calledD． have called

-I have failed the driving test again!A. Good luck!B. Cheer up!C. Thank you!

I ___ ten minutes to decide whether I should reject the offer.（ ）A. gaveB. was g

I ________ ten minutes to decide whether I should reject the offer．A. gaveB. was

[单选题]I received the invitation to the conference， but have no idea( )I should ac

Will you please say it again？ I ______ quite ______ you．（ ）A. didn't, hearB. don

[单选题]I promise you shall see her again before( )A.extremeB.shortC.longD.soon Sec

From _____ I know of him,I should say he is honest and reliable.A. thatB. howC.

From _____ I know of him,I should say he is honest and reliable.A. thatB. howC.