--------Have you asked somebody to repair the machine?
--------Oh, sorry, I forgot it. I _________for an engineer at once.
| A．am going to send | B．would send | C．have sent | D．will send |
—Do you ______ the idea of living a low-carbon life?
—It sounds tough, but it is a tendency.
| A．correspond to | B．apply to | C．cater to | D．subscribe to |
The public transportation in this city is very convenient, where many buses run ______.
| A．occasionally | B．approximately | C．immediately | D．frequently |
The purse found on the playground matches the ______ by Mary, so it must be hers.
| A．direction | B．expression | C．description | D．instruction |
The road ______ for vehicles is under repair. Drivers are required to take some other routes.
| A．meaning | B．meant | C．to mean | D．being meant |
—When shall we go planting trees in the hill?
—______ it begins to rain, so they don’t need watering.
| A．Not until | B．While | C．Till | D．Unless |