A foreign language like English is difficult to learn, so you ________ work too hard.
A: A should
B: B mustn’t
C: C can’t
D: D ought to
A: A should
B: B mustn’t
C: C can’t
D: D ought to
举一反三
- You should work hard. Then, you can pass the exam.=You should work hard so that ____the exam.
- The_______（real) is that you can't learn a foreign language well without hard work.
- The _______ is that you can’t learn a foreign language well without hard work. A: award B: eality C: graduation D: success
- You can’t learn it well _______ you work hard. A: unless B: if C: since D: because
- ﹣ Mum， itˈs too hot． ________ I swim in the lake？ ﹣No， you ___________． Thatˈs too dangerous! A: Should； canˈt B: Need； mustnˈt C: Must； neednˈt D: Could； mustnˈt