题目内容
—Why, my new computer is rubbish! Five hours has passed and it still hasn’t finished the downloading.
—Don’t worry. You know, sometimes the Internet ________ be very slow.
| A．can | B．may | C．should | D．must |
A
解析试题分析：考查情态动词。情态动词can表推测，意为“可能”，指理论上的可能性，即这种可能未必发生；may表示的可能性没有can大；should应该；must必须；must表肯定推测，意为“一定”。句意：要知道，有时候，网络会非常慢。故选A。
考点：考查情态动词
— I missed the earliest flight in the morning. It was really a pity.
—You _________ to the airport by taxi instead of by bus.
| A．should go | B．should have left | C．should leave | D．must have gone |
As a well-known Chinese saying goes, “If you want to be rich, you______ first build roads.”
| A．may | B．must | C．can | D．will |
It’s really a great pity that all of you ____ leave so soon. It’s been pretty nice having you all at my birthday party.
| A．should | B．could | C．can | D．might |
-Will the book I ordered arrive in time?
-lt _______, if there is no traffic jam.
| A．must | B．can | C．should | D．would |
—May I watch TV for another 15 minutes, Mum?
—Oh, dear, if you _____.
| A．can | B．must | C．may | D．should |
If you often go to a gallery, it ______ well change forever the way you look at art.
| A．may | B．should | C．will | D．must |
One of our rules is that every student ______wear school uniform while at school.
| A．might | B．could | C．shall | D．will |