—Why was your class so lively，Mr．Li？
—Oh，my students________in groups about the coming school trip．
| A．discuss | B．are disclassing | C．were discussing | D．have discussed |
—You are late. The meeting __________for about ten minutes.
| A．has begun | B．began |
| C．has been on | D．was on |
--Hi,where are you going?See what the sign______!
--Sorry,I__________it.
| A．speaks; don’t notice | B．says; don’t notice |
| C．speak; didn’t notice | D．says; didn’t notice |
Mary doesn’t do her homework _______,so she always makes a lot of mistakes.
| A．careful enough | B．enough careful |
| C．carefully enough | D．enough carefully |
— Jim, remember to return this book by Friday.
— ________.
| A．Got it | B．Good luck |
| C．That’s right | D．It’s nothing |
— Excuse me, can I interview Mr White?
— A moment, please. Let me check ________.
| A．if Mr White will be free |
| B．when will Mr White have time |
| C．if Mr White was busy |
| D．when does Mr White come back |