We will have to set off ____ to avoid the heavy traffic tomorrow morning.
| A．early | B．quietly | C．slowly | D．politely |
He is only too ready to help others, seldom, ____, refusing them when they turn to him.
| A．if never | B．if ever | C．if not | D．if any |
Encouraged by my science teacher, I set about my studies on developing my product, _____I hope I will succeed in applying for a patent（专利）.
| A．with whom | B．to whom | C．through which | D．for which |
The main reason why Apple’s products always manage to capture the imagination of people worldwide is their attention to _____. Each and every part of an Apple product is perfect in its body.
| A．details | B．functions | C．features | D．trends |
When a giraffe has _____ drink, it has to stand with its front legs wide apart in order to reach _____ water easily.
| A．不填；不填 | B．a; the | C．the; 不填 | D．不填；the |
---We really enjoy ourselves at the party. Thanks again, Mr. and Mrs. White.
---_____. Just drop in whenever you feel like it.
| A．Our great honor | B．Nice having you here |
| C．Nice you are here | D．With pleasure |