The good thing about children is that they _______ very easily to new environments.
| A．adapt | B．appeal | C．attach | D．apply |
The new library ____ next week.
| A．will build | B．will be built | C．would build | D．would be built |
---Where’s Mabel?
---She _____ ping pong behind the teaching building.
| A．is playing | B．was playing | C．played | D．had played |
Quite a few tall buildings _______ the last two years.
| A．have been put up | B．were put up | C．had put up | D．put up |
Man-made-satellites______ into space by many countries.
| A．was sent up | B．is sent up | C．have been sent up | D．has been sent up |
I _______ all the words on the black board. May I go home now?
copy B. will coup C. copied D. have copied