---I had practiced my spoken English, but still failed in the oral test．
---Don’t be discouraged．_____ and you will surely pass it．
| A．Make a bit more effort | B．To make a bit more |
| C．Making a bit more effort | D．If you make a bit more effort |
A strange girl entered the room and told me a story of her own, _____ I suspected the truth．
| A．that | B．which | C．of which | D．at which |
Just imagine performing such an opera as Turandot in the Forbidden City---there _____ be a better setting!
| A．mustn’t | B．shouldn’t | C．couldn’t | D．needn’t |
--- I can’t go for a picnic with you because something urgent has _____．
---What a shame!
| A．come up | B．cleared up | C．stayed up | D．ended up |
After a talk with his mother, the little boy has seen to _____ that the same mistake doesn’t happen again．
| A．one | B．it | C．him | D．himself |