Instead of sand blowing everywhere, there is mud and water everywhere, ________ it difficult to travel from place to place.
| A．making | B．to make |
| C．having made | D．having been made |
The boss had his workers __________________ all day long.
| A．working | B．work | C．worked | D．works |
— It is an hour before we can board the train. Shall we just wait here or go to have a cup of coffee?
— ________.
| A．Help me out | B．That is great |
| C．It’s up to you | D．Take your time |
Today acupuncture(针刺疗法) has become popular round the world, _____ other traditional Chinese medicines.
| A．so are | B．nor are | C．so have | D．nor have |
Fully _ in looking after three children at home, she no longer has time to enjoy the various activities in the club.
| A．devoted | B．prepared |
| C．acknowledged | D．occupied |
The teacher recommended that the students ______ the following books.
| A．read | B．reading |
| C．to read | D．must read |