People often _____ me with my twin sister as we are so alike.
| A．confuse | B．compare | C．connect | D．combine |
.If the launch in 2005 is successful, China will be the third country ________its astronauts into space.
| A．will send | B．having sent | C．sending | D．to send |
In this university a medal with ten thousand dollars ________gains success in science and technology every two years .
| A．is given to whoever | B．are given to anyone who | C．gives to whomever | D．give to everyone |
— Thank you for your CD - ROM. I'll return it as soon as I can. — ________. I've got another one to spare.
| A．No problem | B．No hurry | C．With pleasure | D．Nothing much |
Apples are usually sold by ________ weight and eggs are sometimes sold by ________ dozen.
| A．the; the | B．/;a | C．/; the | D．the; a |
Although punctual himself, the professor was quite used ________ late for his lecture.
| A．to have students | B．for students' being | C．for students to be | D．to students' being |