1. I don’ understand what the engineer means, but I’ve got _____ rough idea of ____ project plan.
A. the ; a B. / ; the C. the ; / D. a ; the
2. ________ seems no need to wait any longer. Chances are that they won’t turn up.
A. It B. He C. There D. That
3. ---I would like to buy an expensive camera.
---Well, there are several models _______________ in that shop.
A. to be chosen from B. to choose C. to choose from D. for choosing
