______ a good insulator , rubber is often used in cables.
| A．Having been | B．To be | C．Be | D．Being |
Financial markets will be disturbed as ______ business adjusts its working approaches and policies from an assumption of 3-3.5% potential output growth.
| A．compulsory | B．conventional | C．contradictory | D．contemporary |
—My sister failed the driving test and is in low spirits．
—I’m sorry for her．
—____．
| A．Thank you | B．You’re welcome | C．I would think so | D．Never mind |
How long is it ________ we last had a picnic together?
| A．until | B．before | C．that | D．since |
The wings of the plane are ______ of its body．
| A．more than the length twice | B．twice more than the length |
| C．more than twice the length | D．more twice than the length |
His best-known work that is ___ all praise can be seen in the museum．
| A．with | B．beyond | C．without | D．within |