They must have been enjoying themselves there，or they __________ so long．
| A．wouldn’t stay | B．needn’t have stayed |
| C．wouldn’t have stayed | D．couldn’t stay |
The newcomer is from Japan, _______I can tell from his appearance.
| A．which | B．what | C．where | D．who |
)You can give the document to _______is in the office.However, _______to require a written paper for it.
| A．who;make sure | B．whom;making sure |
| C．whomever;be sure | D．whoever;be sure |
)Can it be in the restaurant_______ we had dinner last Sunday _______you left your wallet?
| A．where;where | B．where;that | C．that;where | D．that;that |
—Did Jack come back early last night?
—Yes,it was not yet eight o’clock_______he arrived home.
| A．why | B．when | C．that | D．which |
—Oh，Tom！You are too late.
—Sorry.How I wish I ______ measures Mr Smith suggested to leave ten minutes earlier.
| A．adopted | B．had adopted |
| C．would adopt | D．could adopt |