Most probably it will be another 6 hours _____ you can have next meal, so each of you must have your stomach full.
| A．since | B．when |
| C．after | D．before |
Eugene’s never willing to alter any of his opinions, so it’s no use ________ with him.
| A．to argue | B．arguing |
| C．argued | D．having argued |
Up till now we _______ four units and this will be the second time that we _______ a test.
| A．have finished; have had | B．finished; will have |
| C．have finished; are to have | D．will finish; have had |
Charlie ______ be really difficult at times even though he’s a nice person in general.
| A．shall | B．should | C．can | D．must |
It was only after I came across that matter_______ how important it was to master a foreign language.
| A．did I realize | B．had I realized |
| C．that I realized | D．when I realized |
--- When shall we meet again, Tom?
--- Make ______ day you like; it’s all the same to me.
| A．that one | B．it any | C．it another | D．that some |