It was in the lab __________was in the charge of Professor Smith __________they carried out the experiment.
| A．where；that | B．which；where | C．that；where | D．which；that |
The conflict between economic development and environmental protection, if not appropriately _________, can cause disastrous consequences in daily life settings.
| A．being managed | B．to manage |
| C．managed | D．managing |
—Professor Smith, I’d like to take a gap year to Africa to serve in a global anti-Aids campaign.
—Good idea, ______ you can afford the time.
| A．provided that | B．in case |
| C．even if | D．so that |
Meeting again by chance, Lucy and Amy are delighted to _______ the friendship where it left out years ago.
| A．set up | B．build up |
| C．bring up | D．pick up |
David will succeed along the career ladder one day, I firmly believe, _______ he devote more energy to it.
| A．might | B．would | C．could | D．should |
With China’s Singles’ Day approaching, shop owners offer large discounts ______ high sales volumes created by enthusiastic buyers.
| A．in expectation of | B．in regard to |
| C．in terms of | D．in response to |