Grammar
Should, shouldn’t
0118
The same form for all persons The form of should is the same for all persons: I/you/he/she/it/we/you/they should see a specialist. 
Grammar
Have to, don’t have to, must, mustn’t
0488
must/mustn’t Use must + infinitive without to Must is a modal verb, and modal verbs are followed by infinitive without 
Use of English
B1+ Use of English Test 5
0164
Read the text and choose the most appropriate answer.
Use of English
B1+ Use of English Test 4
0186
For the following questions (1 to 15), choose the right option.
Reading
Child marriage in Nepal – Reading test
0137
Read the following text about child marriage in Nepal, and decide if statements 1 to 6 are true or false. Child marriage in Nepal Nepal has made important
Listening
When will humans get to Mars? – Listening Test
0101
Watch a video about Mars. For questions 1 to 6, choose the correct answer. Exercise:
Grammar
How to use the verb ‘go’ in English
096
go + -ing We use go + -ing verb for many sports, and also some other activities like shopping, dancing, clubbing, etc.  I want to go shopping this afternoon.
Grammar
Infinitives and gerunds – verb patterns
0176
Verb + to-infinitive Some verbs can be followed only by a ‘to’-infinitive: Some verbs with this pattern: verbs of thinking and feeling: decide, expect
Reading
Welcome to the home of the future – Reading test
0120
Read a text about home design and answer the questions. For questions 1 to 7, choose the correct answer. Welcome to the home of the future The 2009 British
Grammar
Most, most of, the most
0120
most We use most (without the/this/that/my/etc.) with nouns to mean ‘the majority of’ something. Most people can’t work from home. (NOT most of people)