Last night Mr. Crook didn’t come back at the usual time. ______，he met some friends and stayed out until midnight.
| A．Meanwhile | B．However | C．Instead | D．Thus |
Sorry I’m late. I ______ have turned off the alarm clock and gone back to sleep again.
| A．might | B．should | C．can | D．will |
I’ve tried several times, but the car just _______.
| A．doesn’t start | B．wouldn’t start | C．won’t start | D．didn’t start |
--What will you do during winter vacation?--I don’t know, but it’s about time ____ something.A I’m deciding B I’ll decide C I’d decided D I decided
This cake is very sweet. You _____ a lot of sugar in it.
| A．should put | B．could have put | C．might put | D．must have put |
The World Wide Web is sometimes jokingly called the World Wide Wait because it ______ be very slow.
| A．should | B．must | C．will | D．can |