Not having worked out the problem, _____ leave the office．
| A．so he was not allowed to | B．and he didn’t want to |
| C．the teacher couldn’t make him | D．he couldn’t free himself to |
—It’s said that Senegal leader Sall is visiting China.
—He is the first African leader to China by President Xi Jin Ping this year.
| A．invited | B．inviting |
| C．to invite | D．to be invited |
If we a table earlier, we wouldn’t be standing here in a queue.
| A．have booked | B．booked |
| C．book | D．had booked |
Alcohol can damage the liver and do great harm if in Large quantities.
| A．to be consumed | B．to consume |
| C．consuming | D．consumed |
It isn't wise to spend all your salary every month. Keep some money _____ just in case.
| A．in store | B．in return |
| C．in need | D．in trouble |
I found it was _____the kind of computer I had been dreaming of, so I ordered one online.
| A．extremely | B．exactly |
| C．actually | D．sincerely |