3.11—Let’s go to the concert tonight, Mary.
—Sorry, I. I have to help my mom with the housework.
needn’t B. can’t C. mustn’t D. shouldn’t

A. 　 fully

B. 　 specially

C. 　 poorly

D. 　 suitably

A. 　remembered

B. 　 forgot

C. 　 doubted

D. 　 imagined

A. 　discovered

B. 　 allowed

C. 　 shared

D. 　 mentioned

A. 　division

B. 　area

C. 　 range

D. 　 circle

A. 　不填;the

B. 　不填;an

C. 　the; an

D. 　 a; the

A. 　 to have looked

B. 　 looked

C. 　 looking

D. 　 to look

A. 　 nowhere

B. 　 somewhere

C. 　 everywhere

D. 　 anywhere

A. 　 receive

B. 　 regret

C. 　 understand

D. 　 admit

A. 　address

B. 　 word

C. 　 area

D. 　 picture

A. 　 has woken up

B. 　 is waking up

C. 　 will wake up

D. 　 wakes up