He does not talk or laugh loudly ______ public.
| A．on | B．in | C．at | D．during |
You could hardly imagine _____ amazing the Great Wall was _____you saw it with your eyes.
| A．how, unless | B．what, unless |
| C．how, if | D．what, until |
—May I go to the cinema with Tom tomorrow, mom?
—Of course, if your homework _______ by then.
| A．will be finished | B．finish |
| C．will finish | D．is finished |
Mark needs to learn Chinese _______his company is opening a branch in Beijing.
| A．unless | B．until | C．although | D．since |
The project they’re working on ________ many teenage problems that they care about.
| A．covering | B．covers | C．having | D．including |
My parents are ________ with the __________ trip.
| A．pleased; pleasant | B．pleasant; pleased |
| C．pleased; pleasing | D．pleasing; pleased |