---- Mummy, can I go out for a play for a while?
---- Yes, if you _______. But make sure you e back before 8:00.
| A．shall | B．will | C．must | D．could |
The newly-founded company is faced with lots of trouble, ____ the financial problem ia not the worst.
| A．which | B．of which | C．to whom | D．with which |
--- Excuse me, can you tell me the way to the bank?
---Oh, that's ____, it's either the second or the third road on the left.
| A．the difficult one | B．a hard one |
| C．an easy one | D．the very one |
I wonder ____ we can solve this hard problem.
| A．what else | B．how else | C．that | D．as if |
---Would you please give him the paper the moment he ____?
--- No problem.
| A．arrives | B．appearing | C．came | D．reaches |
____ is mentioned above, the number of the cattle here has been limited to 200.
| A．It | B．Which | C．That | D．As |