______ the police thought he was the most likely one, since they had no exact proof about it, they could not arrest him.
| A．Although | B．As long as | C．If only | D．As soon as |
Did ______ on time make the teacher angry ?
| A．she not come | B．she not to come |
| C．not her coming | D．her not coming |
You can hardly imagine the difficulty the woman had ______ her children．
| A．brought up | B．to bring up |
| C．bringing up | D．to have brought up |
Only one of the places is ________
| A．worth to visit | B．worth visiting |
| C．worth of visiting | D．worth being visited |
-- Has Mr. White arrived?
-- Yes, already, _______ he wait outside or just come in?
| A．Shall | B．May | C．Could | D．Must |
China’s New Food Act provides for a food recall systemto producers have to stop productiontheir food isn’t up to standards.
| A．that; if | B．where; if | C．which; when | D．when; where |