【单选题】I felt it hard to keep up with my classmates. But whenever I want to ____________, my teacher always encourages me to work harder.
【单选题】I felt it hard to keep up with my classmates. But when I want to _____, my teacher always encourages me to work harder.
【单选题】My teacher told me seriously that I should keep ______of that fellow who always caused troubles.
【单选题】I feel it hard to keep up with my classmates. But whenever I want to ______, my teacher always encourages me to work harder. [ ]
【单选题】Peter, my English teacher always _______ me to study hard.
【单选题】I felt it hard to keep up with my classmates. But when ever l want to________, my teacher always encourages me to work harder. [ ]