1 Don’t worry about ____ notes.I’ll help you later.

1 Don’t worry about ____ notes.I’ll help you later.
a.to write b.how write c.how to write d.writing
2 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
3 More than two substances are ___in this chemical reaction.
a.joined b.participated c.involved d.included
4 when and where to build the new school _____yet.
a.has not decide b.have not decided c.are not decided d.is not decided
5 Cooking the meals,together with other light jobs,____Mrs.Smith busy all day.
a.keep b.keeps c.have kept d.is keeping
6 Would you like me____the radio a bit?
a.turning down b.to turn down c.turn down d.turned down
7 It ____the village where we spent our holidays last summer.
a.reminds me of b.reminds me to c.remembers me of d.remembers me to
8 All the afternoon he worked in his study with the door_____.
a.to lock b.locking c.locked d.lock