The old tower must be saved, _______ the cost.
| A．however | B．whatever | C．whichever | D．wherever |
____ be careful when crossing the street!
| A．Must | B．Should | C．Ought to | D．Do |
____ come again.
| A．Do | B．Can | C．May | D．Did |
I ____ see him yesterday.
| A．really | B．do | C．did | D．does |
Is there anything else ____ you want to get ready for the party this evening?
| A．which | B．that | C．who | D．what |
____ on Monday night that all this happened?
| A．Is it | B．It is | C．Was it | D．It was |