The old couple have married for 40 years and never once _______ with each other.
| A．they had quarreled |
| B．they have quarreled |
| C．have they quarreled |
| D．had they quarreled |
Distinguished guests and friends, welcome to our school. the ceremony of the 50th Anniversary this morning are our alumni（校友） from home and abroad.
| A．Attend | B．To attend | C．Attending | D．Having attended |
With April 18’s railway speedup, highway and air transport will have competed with service for passengers.
| A．good | B．better | C．best | D．the best |
I send you 100 dollars today, the rest in a year.
| A．follows | B．followed | C．to follow | D．being followed |
The CDs are on sale! Buy one and you get completely free.
| A．other | B．others | C．one | D．ones |
–I am so sorry to have come late for the meeting.
-It’s not your fault. With rush-hour traffic and heavy rain, it is no wonder you were late.
| A．a; a | B．the; the | C．/; / | D．/; a |