Though the training cost a lot of time and effort, I do think it ______.
| A．valuable | B．significant | C．worthwhile | D．vital |
Evenifhehastime,he_____shoppingintownonSunday.
| A．won’tgo | B．willgo | C．won’tgoto | D．doesn’tgo |
Wherearemykeys?I_____lostthem.
| A．oughtto | B．shouldhave | C．willhave | D．musthave |
Let’sgotothelibrarythisafternoon,_____?
| A．shallwe | B．willwe | C．canwe | D．shouldwe |
—_____Iturnontheradio?
—You’dbetternot.Itisnoisyenoughinthisroom.
| A．Shall | B．Must | C．Need | D．Do |
I_____suchamistakeagain.
| A．shallnevermake | B．maynevermake |
| C．canneverdo | D．needneverdo |