40. I could have offered you some help last weekend, but I ______ with my work at that time.
| A．would be occupied | B．was occupying | C．had been occupied | D．was occupied |
Thanks for your directions to the house; we wouldn’t have found it ___.
| A． nowhere | B．however | C．otherwise | D．instead |
They chose Tom to be ___captain of the team because they knew he was __smart leader.
| A．a; the | B． the; the | C． the; a | D．a; a |
----Could I use this dictionary ?
----_____.It’s a spare one.
| A．Good idea | B．Just go ahead | C．You’re welcome | D．You’d better not |
-! Somebody has left the lab door open.
-Don't look at me.
| A． | Dear me | B． | Hi, there | C． | Thank goodness | D． | Come on |
Good families are much to all their members, but ________ to none.
| A．something | B．anything | C．everything | D．nothing |