He thought mattered most in improving your spoken English was enough confidence and practice.
| A．why | B．what | C．which | D．that |
The vocabulary and grammatical differences between British and American English are so slight and few as hardly ________.
| A．to notice | B．being noticed | C．noticed | D．to be noticed |
We would like to thank the founder of our library, without ________ help none of this would have been possible.
| A．which | B．whom | C．whose | D．that |
--I have to go now to pick up my daughter.
--If you ________ go, at least wait till the rain stops.
| A．can | B．may | C．should | D．must |
The city of Qingdao has been working on building itself up as a city of sails ________ it successfully hosted the 2008 Olympics’ sailing program.
| A．after | B．since | C．when | D．until |
--What do you think of cloning?
--No doubt it’s a great invention. But ________, it may have some side effects.
| A．if not properly handling | B．if properly not handled |
| C．if not properly handled | D．if properly not handling |