—Look! _________ clean the classroom looks !
—Yes. I’m sure somebody _______ it up.
| A．What, has cleaned | B．How, has cleaned |
| C．What, cleaned | D．How, cleaned |
He was wearing a pair of sunglasses and I didn’t _____him at first.
| A．advise | B．promise | C．recognise | D．hear |
The book won’t____ until the end of the year.
| A．come out | B．come over | C．come true | D．come on |
Look at our new school. It ____ last year.
| A．built | B．was built | C．is built | D．will be built |
Robots _____more heavy work for us in the future.
| A．will do | B．did | C．have done | D．were doing |
______ month of the year is May.
| A．Two | B．The second | C．Five | D．The fifth |