--- Are you sure you have to ? It's been very late.
--- I don't know _____ I can do it if not now.
| A．where | B．why | C．when | D．how |
The newlyfounded chess club formally ________ us to attend the opening ceremony.
| A．requested | B．required |
| C．demanded | D．commanded |
When she visited the children’s home，it ________ her that she could adopt a homeless child.
| A．ran into | B．happened to |
| C．occurred to | D．was occurred to |
The orange looks dry，but you may be able to ________ a few drops.
| A．break out | B．give out |
| C．squeeze out | D．put out |
The man who looked honest ________ to be a thief.
| A．turned down | B．turned in |
| C．turned out | D．turned off |
The teacher suggested we ________ as many books as we can.
| A．reads | B．read |
| C．reading | D．have read |