________ the course very difficult, she decided to move to a lower level.
| A．Find | B．Finding |
| C．To find | D．Found |
I’d like to use reference book, but the book I want to make use of is intended for beginners only.
| A．a; the | B．/; the | C．the; a | D．a; / |
— Look! How long _____ like this?
— Three weeks! It’s usual here that rain _____ without stopping these days of the year.
| A．had it rained; pours |
| B．has it been raining; pours |
| C．is it rained; is pouring |
| D．does it rain; pours |
The singer’s music video _____ nearly 9 million times since it was posted on the Internet four weeks ago.
| A．viewed | B．was viewed |
| C．has viewed | D．has been viewed |
His brother , who____ in the army for five years，is now running a farm in our village.
| A．serves | B．served | C．had served | D．has served |
Every Monday, my English teacher would cheerfully ask me ______ my weekend had been.
| A．that | B．if | C．what | D．how |