Thanks to the joint efforts made by the leaders of China and the US over recent years, mutually _______ Sino-US relations have made remarkable progress.
| A．adaptable | B．beneficial |
| C．relevant | D．convenient |
I was so familiar with her that I recognized her voice ______ I picked up the phone.
| A．the moment | B．after | C．before | D．while |
I didn’t like the story, ______, it’s too long, also it was written by a writer I don’t know
| A．for one thing | B．for a thing | C．although | D．in one hand |
— Spacecraft “Discovery” has failed in the course of launch.
— _______? They have been preparing for the test.
| A．How come | B．When | C．How | D．Why not |
— Why didn’t you come to Mike’s birthday party yesterday?
— Well, I ____, but I forgot it.
| A．should | B．must | C．should have | D．must have |
There are a lot _______ people today than yesterday.
| A．of | B．more | C．most | D．/ |