Eating too much fat can ________ heart disease and cause high
blood pressure.
| A．contribute to | B．come across |
| C．depend on | D．leave out |
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 |
He_____notpayunlessheispunishedtopay.
| A．shall | B．will | C．can | D．would |
—_____IwaterthetreesonTuesday?
—No,youneedn’t.
| A．Can | B．Must | C．May | D．Shall |