Don’t worry if you don’t understand everything, the teacher will __ the main points at the end.

A. recover　　 B. review　　 C. require　　 D. remember

John is the only one of the students in the class that never______ a mistake even when it is pointed to him.

A.admit making　　　 B.admits making　　 C.admit to make　　 D.admits to make

Professor Smith，along with his assistants，　　　　 on the project day and night to meet the deadline.

A.work　　　　 B.working　　　　　 C.is working　　　　 D.are working

—Did you tidy your room??

—No，I was going to tidy my room but I　　　　 visitors.?

A.had　　　　　　 B.have?　　　　　　 C.have had　　　　　 D.will have

The meeting is to begin at 4:00 pm, but as assistants, we're _________ to be there a bit earher.
A. invited      B. supposed       C. encouraged      D. hoped

Do you know the boy ___ under the big tree?

A. lay　 B. lain 　C. laying　　 D. lying

----- I can ’t see the words on the blackboard clearly.　

----- Why, your eyes need _____ perhaps you need _______ glasses.

A. to examined, to wear　　　 　 B. to examine ,to wear

C. to be examined, to wear 　 　 D. examining, wearing

Few people paid full attention to their health conditions _____ they were seriously ill.
A. when    B. if     C. until     D. before