14． --I tried many times, but I still failed in the experiment.
--Don’t be discouraged． ____ and the problem will be settled．
| A．Making a little effort | B．There being a little effort |
| C．If you make a bit effort | D．A bit more effort |
-- Has your elder brother returned from Africa yet?
-- Yes, but he _________ here for only three days before his company sent him to Australia.
| A．was | B．has been | C．will be | D．would be |
-- Do you have enough to _____ _ all your daily expenses?.
-- Oh, yes, enough and to spare.
| A．cover | B．spend | C．fill | D．offer |
In fact, more and more people ________ to live a greener, healthier and more environmentally “green life”.
| A．chose | B．choose | C．are choosing | D．have chosen |
The ____ boys were last seen ______ near the West Lake.
| A．missing ; play | B．missed; played | C．missed ; to play | D．missing; playing |
I hate _____ when people talk with their mouths full.
| A．that | B．it | C．these | D．them |